opt: pages

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/common/widgets/loading_widget.dart

@@ -0,0 +1,10 @@
+import 'package:PiliPalaX/common/widgets/http_error.dart';
+import 'package:flutter/material.dart';
+
+Widget get loadingWidget => Center(child: CircularProgressIndicator());
+
+Widget errorWidget({errMsg, callback}) => HttpError(
+      isSliver: false,
+      errMsg: errMsg,
+      callback: callback,
+    );