Fix lua vim awareness, enable prettier, fix gitsigns

- Make lua aware of vim runtime
- enable prettier for json, html, css, yaml, markdown
- gitsigns was not enabled

lua/plugins/lsp.lua

@@ -38,11 +38,21 @@ return {
 
 			lspconfig.lua_ls.setup {
 				capabilities = capabilities,
+				root_dir = lspconfig.util.root_pattern('.git'),
 				settings = {
 					Lua = {
+						runtime = {
+							-- Tell the language server which version of Lua you're using (most likely LuaJIT in the case of Neovim)
+							version = 'LuaJIT',
+						},
 						diagnostics = {
+							-- Get the language server to recognize the `vim` global
 							globals = { 'vim' }
-						}
+						},
+						workspace = {
+							-- Make the server aware of Neovim runtime files
+							library = vim.api.nvim_get_runtime_file("", true),
+						},
 					}
 				},
 				on_attach = lsp_attach
@@ -190,6 +200,17 @@ return {
 		'windwp/nvim-autopairs',
 		config = true
 	},
+	{
+		'jose-elias-alvarez/null-ls.nvim',
+		config = function()
+			local null_ls = require('null-ls')
+			local sources = {
+				null_ls.builtins.formatting.prettierd.with({
+					filetypes = { "html", "json", "yaml", "markdown" },
+					-- extra_filetypes = { "toml" }, -- find out how to install plugins / wait for mason to support them
+				}),
+			}
+			null_ls.setup({ sources = sources })
+		end
+	}
 }
---	-- Linting & formtatting
---	'jose-elias-alvarez/null-ls.nvim';