Allow syncing of just inbox rather than all mailboxes

isync/.config/isync/mbsyncrc

@@ -20,7 +20,7 @@ Subfolders Verbatim
 Path ~/.mail/work/
 Inbox ~/.mail/work/Inbox
 
-Channel work
+Channel work-all
 Master :work-remote:
 Slave :work-local:
 # Include everything, except Sync Issues
@@ -29,3 +29,13 @@ Patterns * !'Sync Issues' !'Sync Issues/*'
 Create Both
 # Save the synchronization state files in the relevant directory
 SyncState *
+
+Channel work-inbox
+Master :work-remote:
+Slave :work-local:
+# Only sync  Inbox
+Patterns Inbox Sent
+# Automatically create missing mailboxes, both locally and on the server
+Create Both
+# Save the synchronization state files in the relevant directory
+SyncState *