Add nvim config

.config/nvim/after/plugin/colors.lua

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+local dracula = require("dracula")
+dracula.setup({
+  -- show the '~' characters after the end of buffers
+  show_end_of_buffer = true, -- default false
+  -- use transparent background
+  transparent_bg = true, -- default false
+})
+vim.cmd('colorscheme dracula')

.config/nvim/after/plugin/fugitive.lua

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+vim.keymap.set("n", "<leader>gs", vim.cmd.Git)

.config/nvim/after/plugin/lsp.lua

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+local lsp = require("lsp-zero")
+
+lsp.preset("recommended")
+
+lsp.ensure_installed({
+	-- 'bashls',
+	-- 'lua_ls',
+	-- 'pylsp',
+	-- 'rnix',
+})
+
+-- Fix Undefined global 'vim'
+require('lspconfig').lua_ls.setup({
+	settings = {
+		Lua = {
+			diagnostics = {
+				globals = { 'vim' }
+			}
+		}
+	}
+})
+
+local cmp = require('cmp')
+local cmp_select = { behavior = cmp.SelectBehavior.Select }
+local cmp_mappings = lsp.defaults.cmp_mappings({
+		['<C-p>'] = cmp.mapping.select_prev_item(cmp_select),
+		['<C-n>'] = cmp.mapping.select_next_item(cmp_select),
+		['<C-y>'] = cmp.mapping.confirm({ select = true }),
+		["<C-Space>"] = cmp.mapping.complete(),
+})
+
+cmp_mappings['<Tab>'] = nil
+cmp_mappings['<S-Tab>'] = nil
+
+lsp.setup_nvim_cmp({
+	mapping = cmp_mappings
+})
+
+lsp.set_preferences({
+	suggest_lsp_servers = false,
+	sign_icons = {
+		error = 'E',
+		warn = 'W',
+		hint = 'H',
+		info = 'I'
+	}
+})
+
+lsp.on_attach(function(client, bufnr)
+	local opts = { buffer = bufnr, remap = false }
+
+	vim.keymap.set("n", "gd", function() vim.lsp.buf.definition() end, opts)
+	vim.keymap.set("n", "K", function() vim.lsp.buf.hover() end, opts)
+	vim.keymap.set("n", "<leader>vws", function() vim.lsp.buf.workspace_symbol() end, opts)
+	vim.keymap.set("n", "<leader>vd", function() vim.diagnostic.open_float() end, opts)
+	vim.keymap.set("n", "[d", function() vim.diagnostic.goto_next() end, opts)
+	vim.keymap.set("n", "]d", function() vim.diagnostic.goto_prev() end, opts)
+	vim.keymap.set("n", "<leader>vca", function() vim.lsp.buf.code_action() end, opts)
+	vim.keymap.set("n", "<leader>vrr", function() vim.lsp.buf.references() end, opts)
+	vim.keymap.set("n", "<leader>vrn", function() vim.lsp.buf.rename() end, opts)
+	vim.keymap.set("i", "<C-h>", function() vim.lsp.buf.signature_help() end, opts)
+end)
+
+lsp.setup()
+
+vim.diagnostic.config({
+	virtual_text = true
+})

.config/nvim/after/plugin/lualine.lua

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+local function window()
+	return vim.api.nvim_win_get_number(0)
+end
+
+require('lualine').setup({
+	options = {
+		icons_enabled = true,
+		theme = 'dracula',
+	},
+	sections = {
+		lualine_a = { 'mode' },
+		lualine_b = { 'branch', 'diff', 'diagnostics' },
+		lualine_c = { {
+			'filename',
+			path = 1,
+		} },
+		lualine_x = { 'encoding', '%<0x%B', 'fileformat' },
+		lualine_y = { 'filetype' },
+		lualine_z = { 'location', window }
+	},
+	inactive_sections = {
+		lualine_a = {},
+		lualine_b = {},
+		lualine_c = { 'filename' },
+		lualine_x = { 'location', window },
+		lualine_y = {},
+		lualine_z = {}
+	},
+	tabline = {
+		lualine_a = { {
+			'tabs',
+			max_length = vim.o.columns / 2,
+			mode = 2
+		} },
+		lualine_b = {},
+		lualine_c = {},
+		lualine_x = {},
+		lualine_y = { 'branch' },
+		lualine_z = {}
+	}
+})

.config/nvim/after/plugin/swap.lua

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+local swap = require('sibling-swap')
+swap.setup({
+	use_default_keymaps = true
+})
+vim.keymap.set('n', 'g<', swap.swap_with_left, {})
+vim.keymap.set('n', 'g>', swap.swap_with_right, {})

.config/nvim/after/plugin/telescope.lua

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+local builtin = require('telescope.builtin')
+vim.keymap.set('n', '<leader>pf', builtin.find_files, {})
+vim.keymap.set('n', '<C-p>', builtin.git_files, {})
+vim.keymap.set('n', '<leader>ps', function()
+	builtin.grep_string({ search = vim.fn.input("Grep > ") })
+end)
+vim.keymap.set('n', '<leader>vh', builtin.help_tags, {})

.config/nvim/after/plugin/treesitter.lua

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+require'nvim-treesitter.configs'.setup {
+  -- A list of parser names, or "all" (the five listed parsers should always be installed)
+  ensure_installed = { "c", "lua", "vim", "vimdoc", "query" },
+
+  -- Install parsers synchronously (only applied to `ensure_installed`)
+  sync_install = false,
+
+  -- Automatically install missing parsers when entering buffer
+  -- Recommendation: set to false if you don't have `tree-sitter` CLI installed locally
+  auto_install = true,
+
+  highlight = {
+    enable = true,
+
+    -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
+    -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
+    -- Using this option may slow down your editor, and you may see some duplicate highlights.
+    -- Instead of true it can also be a list of languages
+    additional_vim_regex_highlighting = false,
+  },
+}

.config/nvim/after/plugin/undotree.lua

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+vim.keymap.set("n", "<leader>u", vim.cmd.UndotreeToggle)