Added null-ls plugin.This enables certain tools to act as LSPs

(formatters, linters, etc)

.config/nvim/lua/plugins/lspconfig.lua

@@ -1,12 +1,11 @@
-
 local mason_lspconfig = require "mason-lspconfig"
 
 mason_lspconfig.setup({
-    ensure_installed = { "sumneko_lua", "rust_analyzer" , "texlab", "hls"},
+	ensure_installed = { "sumneko_lua", "rust_analyzer", "texlab", "hls", "yamlls" },
 	automatic_installation = true
 })
 
-local opts = { noremap=true, silent=true }
+local opts = { noremap = true, silent = true }
 vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
 vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
 vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
@@ -20,7 +19,7 @@ local on_attach = function(client, bufnr)
 
 	-- Mappings.
 	-- See `:help vim.lsp.*` for documentation on any of the below functions
-	local bufopts = { noremap=true, silent=true, buffer=bufnr }
+	local bufopts = { noremap = true, silent = true, buffer = bufnr }
 	vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
 	vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
 	vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
@@ -35,13 +34,16 @@ local on_attach = function(client, bufnr)
 	vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, bufopts)
 	vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
 	vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
-	vim.keymap.set('n',  '<space>ge', function () vim.diagnostic.goto_next() end, bufopts)
+	vim.keymap.set('n', '<space>ge', function() vim.diagnostic.goto_next() end, bufopts)
-	vim.keymap.set('n',  '<space>gE', function () vim.diagnostic.goto_prev() end, bufopts)
+	vim.keymap.set('n', '<space>gE', function() vim.diagnostic.goto_prev() end, bufopts)
 	vim.keymap.set('n', '<space>fo', function() vim.lsp.buf.format { async = true } end, bufopts)
 	--	vim.api.nvim_create_autocmd('BufWritePre', {
 	--		pattern = '<buffer>',
 	--		callback =  function() vim.lsp.buf.format({ async = true }) end
 	--	})
+	if client.name == "yamlls" then
+		client.server_capabilities.document_formatting = true
+	end
 end
 
 local lspconfig = require "lspconfig"
@@ -49,7 +51,7 @@ local lspconfig = require "lspconfig"
 mason_lspconfig.setup_handlers {
 
 	-- This is a default handler that will be called for each installed server (also for new servers that are installed during a session)
-  function (server_name)
+	function(server_name)
 		lspconfig[server_name].setup {
 			on_attach = on_attach,
 			flags = lsp_flags,

.config/nvim/lua/plugins/null-ls.lua

@@ -0,0 +1,10 @@
+local null_ls = require("null-ls")
+
+null_ls.setup({
+	sources = {
+		null_ls.builtins.formatting.rustfmt,
+		null_ls.builtins.formatting.prettierd.with({
+			filetypes = { "html", "json", "yaml", "markdown" },
+		}),
+	}
+})

.config/nvim/lua/plugins/packer.lua

@@ -1,18 +1,17 @@
-
 local packer = require("packer")
 
-local plugins = packer.startup({function(use)
+local plugins = packer.startup({ function(use)
 
 	use {
 		"wbthomason/packer.nvim",
 		config = [[require("plugins.packer")]]
 	}
 
-	use{  "lewis6991/impatient.nvim"}
+	use { "lewis6991/impatient.nvim" }
 
 
-	use{  "lervag/vimtex",
+	use { "lervag/vimtex",
-		config = function ()
+		config = function()
 			require "plugins.vimtex"
 		end
 	}
@@ -20,43 +19,55 @@ local plugins = packer.startup({function(use)
 	-------------------------------------------------------QOL----------------------------------------------
 
 	use { "ggandor/leap.nvim",
-		config = function ()
+		config = function()
 			require('leap').add_default_mappings()
 		end
 	}
 
-	use {'stevearc/dressing.nvim'} -- Rename variable pop up 
+	use { 'stevearc/dressing.nvim' } -- Rename variable pop up
 
-	use {"windwp/nvim-autopairs",
+	use { "windwp/nvim-autopairs",
 		config = function() require("nvim-autopairs").setup {}
 		end
 	}
 
-	use {'kyazdani42/nvim-web-devicons'}
+	use { 'kyazdani42/nvim-web-devicons' }
 
 	use {
 		'nvim-lualine/lualine.nvim',
 		requires = { 'kyazdani42/nvim-web-devicons', opt = true },
-		config = function ()
+		config = function()
 			require 'plugins.lualine'
 		end
 	}
+
+	use { 'rcarriga/nvim-notify',
+		config = function()
+			vim.notify = require("notify")
+		end
+	}
 	-------------------------------------------------------LSP----------------------------------------------
 
 	use { "williamboman/mason.nvim",
-		config = function ()
+		config = function()
 			require "plugins.mason"
 		end
 	}
 
-	use {"williamboman/mason-lspconfig.nvim"}
+	use { "williamboman/mason-lspconfig.nvim" }
 
 	use { "neovim/nvim-lspconfig",
-		config = function ()
+		config = function()
 			require "plugins.lspconfig"
 		end
 	}
 
+	use { "jose-elias-alvarez/null-ls.nvim",
+		config = function()
+			require "plugins.null-ls"
+		end
+	}
+
 	use { "L3MON4D3/LuaSnip",
 		requires = {
 			"rafamadriz/friendly-snippets",
@@ -77,7 +88,7 @@ local plugins = packer.startup({function(use)
 	}
 
 
-	use {'nvim-tree/nvim-tree.lua',
+	use { 'nvim-tree/nvim-tree.lua',
 		requires = {
 			'nvim-tree/nvim-web-devicons', -- optional, for file icons
 		},
@@ -88,25 +99,25 @@ local plugins = packer.startup({function(use)
 	use { "feline-nvim/feline.nvim" }
 	-------------------------------------------THEMES------------------------------------------
 
-	use {"joshdick/onedark.vim" } 
+	use { "joshdick/onedark.vim" }
-	use {"catppuccin/nvim"}
+	use { "catppuccin/nvim" }
 	-------------------------------------------------------------------------------------------
-	use {"nvim-treesitter/nvim-treesitter",
+	use { "nvim-treesitter/nvim-treesitter",
 		config = function()
 			require "plugins.treesitter"
 		end
 	}
 
-	use {"nvim-treesitter/nvim-treesitter-context",
+	use { "nvim-treesitter/nvim-treesitter-context",
 		config = function()
 			require "plugins.treesitter-context"
 		end
 	}
 
 	--Tabs
-	use {'romgrk/barbar.nvim',
+	use { 'romgrk/barbar.nvim',
 		requires = 'kyazdani42/nvim-web-devicons',
-		config = function ()
+		config = function()
 			require "plugins.barbar"
 		end
 	}
@@ -115,20 +126,20 @@ local plugins = packer.startup({function(use)
 	use {
 		'nvim-telescope/telescope.nvim', tag = '0.1.0',
 		-- or                            , branch = '0.1.x',
-		requires = { {'nvim-lua/plenary.nvim'} },
+		requires = { { 'nvim-lua/plenary.nvim' } },
 		config = function() require('plugins.telescope') end
 	}
 
-	use {"tpope/vim-surround"}
+	use { "tpope/vim-surround" }
 
-	use {"startup-nvim/startup.nvim",
+	use { "startup-nvim/startup.nvim",
-		requires = {"nvim-telescope/telescope.nvim", "nvim-lua/plenary.nvim"},
+		requires = { "nvim-telescope/telescope.nvim", "nvim-lua/plenary.nvim" },
 		config = function()
 			require("startup").setup { theme = "dashboard" }
 		end,
 	}
 
-	end,
+end,
 
 	config = {
 		auto_clean = true,