configure lsp, completion and some additional colors

lua/crentist/init.lua

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+require("crentist.remap")
+

lua/crentist/packer.lua

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+-- This file can be loaded by calling `lua require('plugins')` from your init.vim
+
+-- Only required if you have packer configured as `opt`
+vim.cmd [[packadd packer.nvim]]
+
+return require('packer').startup(function(use)
+	-- Packer can manage itself
+	use('wbthomason/packer.nvim')
+
+	use {
+		'nvim-telescope/telescope.nvim', tag = '0.1.6',
+		requires = { { 'nvim-lua/plenary.nvim' } }
+	}
+
+	use {
+		'ellisonleao/gruvbox.nvim',
+		config = function()
+			vim.cmd('colorscheme gruvbox')
+		end
+	}
+
+	use('nvim-treesitter/nvim-treesitter', { run = ':TSUpdate' })
+	use('ThePrimeagen/harpoon')
+	use('mbbill/undotree')
+	use('tpope/vim-fugitive')
+
+	use {
+		'VonHeikemen/lsp-zero.nvim',
+		branch = 'v3.x',
+		requires = {
+			--- Uncomment the two plugins below if you want to manage the language servers from neovim
+			{ 'williamboman/mason.nvim' },
+			{ 'williamboman/mason-lspconfig.nvim' },
+
+			{ 'neovim/nvim-lspconfig' },
+			{ 'hrsh7th/nvim-cmp' },
+			{ 'hrsh7th/cmp-buffer' },
+			{ 'hrsh7th/cmp-path' },
+			{ 'hrsh7th/cmp-nvim-lsp' },
+			{ 'L3MON4D3/LuaSnip' },
+		}
+	}
+	use('norcalli/nvim-colorizer.lua')
+end)

lua/crentist/remap.lua

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+vim.g.mapleader = " "
+vim.keymap.set("n", "<leader>pv", vim.cmd.Ex)
+