Get Stories (#3294)

* Get all broadcast

* fixed return msgs

* feat: add usage example

* Update src/structures/Broadcast.js

Co-authored-by: alechkos <93551621+alechkos@users.noreply.github.com>

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Co-authored-by: alechkos <93551621+alechkos@users.noreply.github.com>

src/structures/index.js

@@ -20,5 +20,6 @@ module.exports = {
     Payment: require('./Payment'),
     Reaction: require('./Reaction'),
     Poll: require('./Poll'),
-    PollVote: require('./PollVote')
+    PollVote: require('./PollVote'),
+    Broadcast: require('./Broadcast')
 };