Add missing metadata

Author: shepazon

.doc_gen/metadata/sqs_metadata.yaml

@@ -341,6 +341,15 @@ sqs_ListQueues:
               snippet_tags:
                 - cpp.example_code.sqs.ListQueues.config
                 - cpp.example_code.sqs.ListQueues
+    Swift:
+      versions:
+        - sdk_version: 1
+          github: swift/example_code/sqs
+          sdkguide:
+          excerpts:
+            - description:
+              snippet_tags:
+                - swift.sqs.ListQueues
   services:
     sqs: {ListQueues}
 sqs_DeleteQueue:

swift/example_code/sqs/README.md

@@ -42,6 +42,7 @@ Code excerpts that show you how to call individual service functions.
 - [DeleteMessageBatch](DeleteMessageBatch/Sources/entry.swift#L31)
 - [DeleteQueue](DeleteQueue/Sources/entry.swift#L29)
 - [GetQueueAttributes](GetQueueAttributes/Sources/entry.swift#L29)
+- [ListQueues](basics/Sources/entry.swift#L28)
 - [ReceiveMessage](ReceiveMessage/Sources/entry.swift#L31)
 - [SetQueueAttributes](SetQueueAttributes/Sources/entry.swift#L32)