feat(android): add plugin registration and test app integration

- Add capacitor.plugins.json for main plugin registration
- Add plugin dependency to test app build configuration
- Add local plugin dependency to test app package.json
- Update package-lock.json with plugin dependency resolution

Enables proper plugin discovery and integration in test environment.

test-apps/daily-notification-test/android/app/capacitor.build.gradle

@@ -9,7 +9,7 @@ android {
 
 apply from: "../capacitor-cordova-android-plugins/cordova.variables.gradle"
 dependencies {
-
+    implementation project(':timesafari-daily-notification-plugin')
 
 }