Request actions (#65)

README.md

@@ -14,3 +14,8 @@ cargo sqlx migrate add ${MIGRATION_NAME}
 cargo sqlx migrate run --database-url 'sqlite://db.sqlite?mode=rw'
 cargo sqlx prepare --database-url 'sqlite://db.sqlite'
 ```
+
+## Add App->Plugin API
+
+- Add event in `events.rs`
+- Add handler to `index.worker.ts`