feat: Convert all app files to JS

packages/backend/src/apps/rss/index.js

@@ -0,0 +1,14 @@
+import defineApp from '../../helpers/define-app.js';
+import triggers from './triggers/index.js';
+
+export default defineApp({
+  name: 'RSS',
+  key: 'rss',
+  iconUrl: '{BASE_URL}/apps/rss/assets/favicon.svg',
+  authDocUrl: 'https://automatisch.io/docs/apps/rss/connection',
+  supportsConnections: false,
+  baseUrl: '',
+  apiBaseUrl: '',
+  primaryColor: 'ff8800',
+  triggers,
+});