chore: updated filename to topicDefs

packages/hoppscotch-backend/src/pubsub/topicsDefs.ts

@@ -0,0 +1,10 @@
+import { UserEnvironment } from '../user-environment/user-environments.model';
+
+// A custom message type that defines the topic and the corresponding payload.
+// For every module that publishes a subscription add its type def and the possible subscription type.
+export type TopicDef = {
+  [
+    topic: `user_environment/${string}/${'created' | 'updated' | 'deleted'}`
+  ]: UserEnvironment;
+  [topic: `user_environment/${string}/deleted_many`]: number;
+};