v0.645

The installation instruction is available in Quick Start guide.

Features & improvements:

• added background steps
• [#113] added support for Rocky Linux
• replaced Celery with RQ for background tasks
• added more details about RQ jobs on the diagnostics page
• added changing name of branch in a repo
• upgraded Angular and PrimeNG to 12
• when run is being started then stage schema is refreshed from repo
• added button for checking email and AWS settings
• converted timestamps columns to be with timezone in Postgresql schema
• converted all char(n) columns in db to text
• added doing db backup during deployment

Fixes:

• fixed deleting dangling agents with no AWS instance
• added db rollback in watchdog in case of exception
• improved checking agents vm to destroy
• pytest tool: added check if collecting tests failed
• fixed counting available agents
• added detecting jobs with no agent and spawning them
• improved creating system records
• improved checking args to agent
• improved pulling git repo in git tool