refactor!: move dirs outside of src/ (#2032)

helpers/channels/threads/mod.ts

@@ -0,0 +1,9 @@
+export * from "./addToThread.ts";
+export * from "./getActiveThreads.ts";
+export * from "./getArchivedThreads.ts";
+export * from "./getThreadMembers.ts";
+export * from "./joinThread.ts";
+export * from "./leaveThread.ts";
+export * from "./removeThreadMember.ts";
+export * from "./startThreadWithoutMessage.ts";
+export * from "./startThreadWithMessage.ts";