gitea/services/notify
Nanguan Lin cda97a7253
Update status and code index after changing the default branch ()
Fix  
Add `ChangeDefaultBranch` to the `notifier` interface and implement it
in `indexerNotifier`. So when changing the default branch,
`indexerNotifier` sends a message to the `indexer queue` to update the
index.

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Co-authored-by: techknowlogick <matti@mdranta.net>
..
notifier.go Update status and code index after changing the default branch ()
notify.go Update status and code index after changing the default branch ()
null.go Update status and code index after changing the default branch ()