refactor: improve ExtensionWorkers API (#1952)
* refactor: improve ExtensionWorkers API
* Update workerextension.go
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Update workerextension.go
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Update caddy/app.go
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Apply suggestion from @Copilot
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* review
* fix tests
* docs
* errors
* improved error handling
* fix race
* add missing return
* use %q in Errorf
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
