add: ListPublicArchivedThreads

src/types/channels/list_public_archived_threads.ts

@@ -0,0 +1,7 @@
+export interface ListPublicArchivedThreads {
+  // TODO: convert unix to ISO9601 timestamp
+  /** Returns threads before this timestamp. UNIX or ISO8601 timestamp */
+  before?: number | string;
+  /** Optional maximum number of threads to return */
+  limit?: number;
+}