update texlab settings

lua/lsp.lua

@@ -4,6 +4,7 @@ local lsp = require('lsp-zero').preset({
   manage_nvim_cmp = true,
   suggest_lsp_servers = false,
 })
+local lspconfig = require('lspconfig')
 
 local keybindings = require('keybindings')
 local on_attach = keybindings.on_attach
@@ -57,11 +58,23 @@ lsp.configure('html', {
 	cmd = { "npx", "vscode-html-language-server", "--stdio" },
 })
 
-lsp.configure('texlab', {
+lspconfig.texlab.setup({
+	settings = {
+		texlab = {
+			auxDirectory = '.',
+			bibtexFormatter = 'texlab',
 			forwardSearch = {
 				executable = 'zathura',
 				args = { '--synctex-forward', '%l:1:%f', '%p' }
 			},
+			build = {
+				executable = "tectonic",
+				args = { '-X', 'compile', '%f', '--synctex', '--keep-logs', '--keep-intermediates' },
+				onSave = true,
+				forwardSearchAfter = true,
+			},
+		},
+	},
 })
 
 lsp.configure('clangd', {})