tutorials: blog fixes (#5652)

tutorials/code/blog/blog.v

@@ -25,21 +25,23 @@ fn (app &App) index_html() {
 	$vweb.html()
 }
 */
-
 fn (app &App) index() vweb.Result {
 	articles := app.find_all_articles()
 	return $vweb.html()
 }
 
 pub fn (mut app App) init_once() {
-	db := sqlite.connect(':memory:') 	or { panic(err) }
+	db := sqlite.connect(':memory:') or {
+		panic(err)
+	}
+	db.exec('create table `Article` (id integer primary key, title text default "", text text default "")')
 	app.db = db
 }
 
 pub fn (mut app App) init() {
 }
 
-pub fn (mut app App) new() vweb.Result{
+pub fn (mut app App) new() vweb.Result {
 	return $vweb.html()
 }