added profil and kurir page in pengirim, added pengiriman page at kurir, sort the api, design the ui back

lib/widgets/load_data.dart

@@ -0,0 +1,66 @@
+import 'package:flutter/material.dart';
+
+class ErrorLoadDataWidget extends StatelessWidget {
+  const ErrorLoadDataWidget({
+    Key? key,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: EdgeInsets.only(top: MediaQuery.of(context).size.height * 0.05),
+      child: const Center(
+        child: Text(
+          'Terjadi kesalahan',
+          style: TextStyle(
+            color: Colors.white,
+            fontSize: 20,
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class TiadaDataWIdget extends StatelessWidget {
+  const TiadaDataWIdget({
+    Key? key,
+    this.text = 'Tidak ada data',
+  }) : super(key: key);
+
+  final String text;
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: EdgeInsets.only(top: MediaQuery.of(context).size.height * 0.05),
+      child: Center(
+        child: Text(
+          text,
+          style: TextStyle(
+            color: Colors.white,
+            fontSize: 20,
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class LoadingDataWidget extends StatelessWidget {
+  const LoadingDataWidget({
+    Key? key,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: EdgeInsets.only(top: MediaQuery.of(context).size.height * 0.05),
+      child: const Center(
+        child: CircularProgressIndicator(
+          valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
+        ),
+      ),
+    );
+  }
+}