Code cleanup

Signed-off-by: Andreas Fahrecker <AndreasFahrecker@gmail.com>

lib/widgets/home/tabs/home_settings_tab.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'package:package_info/package_info.dart';
+import 'package:time_progress_tracker/app.dart';
+
+class HomeSettingsTab extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: EdgeInsets.all(16),
+      child: Center(
+        child: Column(
+          children: [
+            Text("The Settings of this App are not yet implemented."),
+            FlatButton(
+                onPressed: () {
+                  showAboutDialog(
+                      context: context,
+                      applicationName: TimeProgressTrackerApp.name,
+                      applicationVersion: "Beta",
+                      applicationLegalese: '\u00a9Andreas Fahrecker 2020-2021');
+                },
+                child: Text("About"))
+          ],
+        ),
+      ),
+    );
+  }
+}