Add functionality to Help buttons for opening URLs.

android/app/src/main/AndroidManifest.xml

@@ -42,5 +42,10 @@
             <action android:name="android.intent.action.PROCESS_TEXT"/>
             <data android:mimeType="text/plain"/>
         </intent>
+        <!-- Allow opening of web URLs -->
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="https" />
+        </intent>
     </queries>
 </manifest>

lib/pages/help.dart

@@ -1,4 +1,21 @@
+// Flutter
 import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher_string.dart';
+
+_launchSite(String url) async {
+  try {
+    if (await canLaunchUrlString(url)) {
+      await launchUrlString(
+        url,
+        mode: LaunchMode.externalApplication,
+      );
+    } else {
+      throw "System does not think it can launch '$url'.";
+    }
+  } on Exception catch (e) {
+    throw e.toString();
+  }
+}
 
 class HelpPage extends StatelessWidget {
   const HelpPage({
@@ -41,7 +58,9 @@ class HelpPage extends StatelessWidget {
                     color: theme.colorScheme.onPrimary,
                   ),
                   child: TextButton.icon(
-                    onPressed: () {},
+                    onPressed: () {
+                      _launchSite("https://git.hyperling.com/me");
+                    },
                     icon: Icon(Icons.code),
                     label: Text("Code Repository"),
                   ),
@@ -57,7 +76,9 @@ class HelpPage extends StatelessWidget {
                     color: theme.colorScheme.onPrimary,
                   ),
                   child: TextButton.icon(
-                    onPressed: () {},
+                    onPressed: () {
+                      _launchSite("https://hyperling.com");
+                    },
                     icon: Icon(Icons.web_asset),
                     label: Text("Personal Website"),
                   ),