examples: unskip vweb_orm_jwt from building, since it is not working directly with mysql anymore (#15671)

examples/vweb_orm_jwt/src/auth_services.v

@@ -74,6 +74,9 @@ fn make_token(user User) string {
 }
 
 fn auth_verify(token string) bool {
+	if token == '' {
+		return false
+	}
 	secret := os.getenv('SECRET_KEY')
 	token_split := token.split('.')
 

examples/vweb_orm_jwt/src/main.v

@@ -28,3 +28,8 @@ fn new_app() &App {
 
 	return app
 }
+
+['/'; get]
+pub fn (mut app App) ping() ?vweb.Result {
+	return app.text('ping')
+}