task queue worker, dependency enhancement

• task queue worker: add static cron job
• taskqueueworker: enhance retry, log stacktrace when panic
• task queue worker: add new status for hold/unhold job queue
• update log color & panic trace in graphql
• dependency: enhance database deps can multi instance
• kafka broker: remove sleep when error
• graphql server: add option for append schema source
• show stacktrace when panic
• fixing generator delivery rest test and usecase test