New: NVIM Config

lua/core/keymaps.lua

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+-- lua/core/keymaps.lua
+
+local keymap = vim.keymap
+
+-- Set space as leader key
+vim.g.mapleader = " "
+vim.g.maplocalleader = " "
+
+-- General keymaps
+keymap.set("n", "<leader>e", ":Lex 30<CR>", { desc = "Open file explorer" })
+keymap.set("n", "<leader>w", ":w<CR>", { desc = "Save file" })
+keymap.set("n", "<leader>q", ":q<CR>", { desc = "Quit" })
+keymap.set("n", "<leader>h", ":nohlsearch<CR>", { desc = "Clear search highlight" })
+
+-- Telescope keymaps
+keymap.set("n", "<leader>tf", "<cmd>Telescope find_files<cr>", { desc = "Find Files" })
+keymap.set("n", "<leader>tg", "<cmd>Telescope live_grep<cr>", { desc = "Live Grep" })
+keymap.set("n", "<leader>tb", "<cmd>Telescope buffers<cr>", { desc = "Find Buffers" })
+keymap.set("n", "<leader>th", "<cmd>Telescope help_tags<cr>", { desc = "Help Tags" })
+
+-- Editor format
+keymap.set("n", "<leader>f", function() vim.lsp.buf.format({ async = true }) end, { desc = "Format Document" })
+
+-- Window navigation
+keymap.set("n", "<C-h>", "<C-w>h", { desc = "Move Left" })
+keymap.set("n", "<C-j>", "<C-w>j", { desc = "Move Down" })
+keymap.set("n", "<C-k>", "<C-w>k", { desc = "Move Up" })
+keymap.set("n", "<C-l>", "<C-w>l", { desc = "Move Right" })
+
+-- Resize with arrows
+keymap.set("n", "<C-Up>", ":resize -2<CR>", { desc = "Resize Up" })
+keymap.set("n", "<C-Down>", ":resize +2<CR>", { desc = "Resize Down" })
+keymap.set("n", "<C-Left>", ":vertical resize -2<CR>", { desc = "Resize Left" })
+keymap.set("n", "<C-Right>", ":vertical resize +2<CR>", { desc = "Resize Right" })
+
+

lua/core/options.lua

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+-- lua/core/options.lua
+
+local opt = vim.opt
+
+-- Line numbers
+opt.number = true          -- Show absolute line number
+opt.relativenumber = false -- Show relative line numbers
+
+-- Tabs & indentation
+opt.tabstop = 4        -- 1 tab = 4 spaces
+opt.shiftwidth = 4     -- Indent by 4 spaces
+opt.expandtab = true   -- Convert tabs to spaces
+opt.smartindent = true -- Autoindent new lines
+
+-- Line wrapping
+opt.wrap = false -- Don't wrap long lines
+
+-- Search
+opt.ignorecase = true -- Ignore case when searching...
+opt.smartcase = true  -- ...unless you use caps
+
+-- Cursor
+opt.cursorline = true -- Highlight the current line
+
+-- Appearance
+opt.termguicolors = true -- True color support
+opt.scrolloff = 8        -- Keep 8 lines above/below cursor
+opt.colorcolumn = "160"  -- Show a line at 160 chars
+
+-- Clipboard
+opt.clipboard = "unnamedplus" -- Use system clipboard
+
+-- Split windows
+opt.splitright = true -- Vertical split to the right
+opt.splitbelow = true -- Horizontal split below
+
+-- Backup & Swap
+opt.swapfile = false
+opt.backup = false
+opt.undofile = true -- Save undo history
+
+-- Mouse
+opt.mouse = "a" -- Enable mouse in all modes

lua/plugins/bufferline.lua

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+-- lua/plugins/bufferline.lua
+
+require("bufferline").setup({
+  options = {
+    mode = "buffers", -- show buffers, not tabs
+    diagnostics = "nvim_lsp",
+    show_buffer_close_icons = false,
+    show_close_icon = false,
+    separator_style = "thin",
+    always_show_bufferline = true,
+  },
+})
+

lua/plugins/cmp.lua

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+-- lua/plugins/cmp.lua
+
+local cmp = require("cmp")
+local luasnip = require("luasnip")
+
+-- Setup nvim-cmp.
+cmp.setup({
+    snippet = {
+        -- REQUIRED - you must specify a snippet engine
+        expand = function(args)
+            luasnip.lsp_expand(args.body) -- Use LuaSnip to expand snippets
+        end,
+    },
+
+    mapping = cmp.mapping.preset.insert({
+        ['<C-k>'] = cmp.mapping.select_prev_item(),    -- Move up on suggestion list
+        ['<C-j>'] = cmp.mapping.select_next_item(),    -- Move down on suggestion list
+        ['<C-b>'] = cmp.mapping.scroll_docs(-4),       -- Scroll docs up
+        ['<C-f>'] = cmp.mapping.scroll_docs(4),        -- Scroll docs down
+        ['<C-Space>'] = cmp.mapping.complete(),        -- Trigger completion menu
+        ['<C-e>'] = cmp.mapping.abort(),               -- Close completion window
+        ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Enter to confirm selection
+        ['<Tab>'] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+                cmp.select_next_item()
+            elseif luasnip.expand_or_jumpable() then
+                luasnip.expand_or_jump()
+            else
+                fallback()
+            end
+        end, { "i", "s" }),
+
+        ['<S-Tab>'] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+                cmp.select_prev_item()
+            elseif luasnip.jumpable(-1) then
+                luasnip.jump(-1)
+            else
+                fallback()
+            end
+        end, { "i", "s" }),
+    }),
+
+    sources = cmp.config.sources({
+        { name = 'nvim_lsp' }, -- LSP suggestions (your language servers)
+        { name = 'luasnip' }, -- Snippets suggestions
+        { name = 'buffer' }, -- Words from open buffers
+        { name = 'path' }, -- File paths
+    }),
+})

lua/plugins/colorscheme.lua

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+-- lua/plugins/colorscheme.lua
+
+
+
+require('github-theme').setup({
+})
+
+vim.cmd("colorscheme github_dark_default")
+
+-- Optional: set contrast, italic comments, etc
+vim.g.gruvbox_contrast_dark = "hard" -- options: "soft", "medium", "hard"
+vim.g.gruvbox_invert_selection = "0"
+vim.g.gruvbox_italic = 1
+vim.g.gruvbox_bold = 1

lua/plugins/lsp.lua

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+-- Modern LSP setup for Neovim 0.11+
+-- Compatible with LazyVim and nvim-lspconfig >= v0.2.1
+
+-- Load Mason to manage LSP servers
+require("mason").setup()
+require("mason-lspconfig").setup({
+    ensure_installed = { "lua_ls", "ts_ls", "pyright", "clangd" },
+})
+
+-- New Neovim 0.11 API for configuring LSPs
+local lsp = vim.lsp
+local configs = lsp.configs
+local util = require("lspconfig.util")
+
+-- Function that runs when an LSP attaches
+local on_attach = function(client, bufnr)
+    local opts = { buffer = bufnr, noremap = true, silent = true }
+    local map = vim.keymap.set
+    map("n", "gd", vim.lsp.buf.definition, opts, { desc = "Go to definition" })
+    map("n", "K", vim.lsp.buf.hover, opts, { desc = "Hover documentation" })
+    map("n", "<leader>rn", vim.lsp.buf.rename, opts, { desc = "Rename symbol" })
+    map("n", "<leader>ca", vim.lsp.buf.code_action, opts, { desc = "Code action" })
+    map("n", "gr", vim.lsp.buf.references, opts, { desc = "Go to references" })
+    map("n", "<leader>e", vim.diagnostic.open_float, opts, { desc = "Show diagnostics" })
+end
+
+-- Default capabilities (for autocompletion)
+local capabilities = require("cmp_nvim_lsp").default_capabilities()
+
+-- Configure LSP servers
+local servers = {
+    lua_ls = { cmd = { "lua-language-server" } },
+    ts_ls = { cmd = { "typescript-language-server", "--stdio" } },
+    pyright = { cmd = { "pyright-langserver", "--stdio" } },
+    clangd = {
+        cmd = { "clangd" },
+        on_attach = on_attach,
+        capabilities = capabilities,
+        init_options = {
+            clangdFileStatus = true,
+            fallbackFlags = { "-style={UseTab: ForIndentation}" },
+        }
+    },
+}
+
+for name, config in pairs(servers) do
+    vim.lsp.config[name] = vim.tbl_extend("force", {
+        on_attach = on_attach,
+        capabilities = capabilities,
+    }, config)
+    vim.lsp.start(vim.lsp.config[name])
+end

lua/plugins/lualine.lua

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+-- lua/plugins/lualine.lua
+
+
+
+require("lualine").setup({
+  options = {
+    theme = "auto", -- this auto-syncs with your colorscheme
+    icons_enabled = true,
+    section_separators = '',
+    component_separators = '',
+  }
+})