Add donation link

app/lib/help_utils.dart

@@ -14,3 +14,5 @@ const editPhotosUrl = "https://bit.ly/3v82oKA";
 const collectionTypesUrl = "https://bit.ly/3OwSiNq";
 const contributorsUrl = "https://bit.ly/3QhlQQs";
 const videoPreviewUrl = "https://bit.ly/4c7cazP";
+
+const donateUrl = "https://bit.ly/3wQOHPZ";

app/lib/l10n/app_en.arb

@@ -1532,6 +1532,10 @@
 	},
 	"fileNotFound": "File not found",
 
+	"donationTitle": "Buy me a coffee",
+	"donationButtonLabel": "BUY ME A COFFEE",
+	"donationShortMessage": "Want to help?",
+
 	"errorUnauthenticated": "Unauthenticated access. Please sign-in again if the problem continues",
 	"@errorUnauthenticated": {
 		"description": "Error message when server responds with HTTP401"

app/lib/widget/changelog.dart

@@ -74,6 +74,15 @@ class Changelog extends StatelessWidget {
   Widget _buildContent(BuildContext context) {
     return Column(
       children: [
+        _ChangelogBanner(
+          title: Text(L10n.global().donationShortMessage),
+          action: TextButton(
+            onPressed: () {
+              launch(help_util.donateUrl);
+            },
+            child: Text(L10n.global().donationButtonLabel),
+          ),
+        ),
         Expanded(
           child: ListView.builder(
             itemCount: _changelogs.length,

app/lib/widget/settings.dart

@@ -6,6 +6,7 @@ import 'package:logging/logging.dart';
 import 'package:nc_photos/app_localizations.dart';
 import 'package:nc_photos/controller/pref_controller.dart';
 import 'package:nc_photos/debug_util.dart';
+import 'package:nc_photos/help_utils.dart' as help_util;
 import 'package:nc_photos/k.dart' as k;
 import 'package:nc_photos/language_util.dart' as language_util;
 import 'package:nc_photos/mobile/platform.dart'
@@ -138,6 +139,13 @@ class _SettingsState extends State<Settings> {
                     }
                   },
                 ),
+                ListTile(
+                  leading: const Icon(Icons.coffee_outlined),
+                  title: Text(L10n.global().donationTitle),
+                  onTap: () {
+                    launch(help_util.donateUrl);
+                  },
+                ),
                 ListTile(
                   title: Text(L10n.global().settingsSourceCodeTitle),
                   onTap: () {