chore: Update version to 2.2.7

- Update versionCode from 219 to 227
- Update versionName from 2.1.9 to 2.2.7

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: graycreate

config.gradle

@@ -1,7 +1,7 @@
 ext {
     app = [
-            versionCode: 219,
-            versionName: "2.1.9"
+            versionCode: 227,
+            versionName: "2.2.7"
     ]
     android = [
             supportVersion: '26.1.0'