Progress on basic UI for testing

lib/pages/apps.dart

@@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+import 'package:obtainium/pages/add_app.dart';
+import 'package:obtainium/services/apps_provider.dart';
+import 'package:provider/provider.dart';
+
+class AppsPage extends StatefulWidget {
+  const AppsPage({super.key});
+
+  @override
+  State<AppsPage> createState() => _AppsPageState();
+}
+
+class _AppsPageState extends State<AppsPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Obtainium - Apps'),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: () {
+            var appsProvider = context.watch<AppsProvider>();
+            if (appsProvider.loadingApps) {
+              return [const Text('Loading Apps...')];
+            } else if (appsProvider.apps.isEmpty) {
+              return [const Text('No Apps Yet.')];
+            } else {
+              return appsProvider.apps.values.map((e) => Text(e.id)).toList();
+            }
+          }(),
+        ),
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: () {
+          Navigator.push(
+            context,
+            MaterialPageRoute(builder: (context) => const AddAppPage()),
+          );
+        },
+        tooltip: 'Add App',
+        child: const Icon(Icons.add),
+      ),
+    );
+  }
+}