Ansibleguy-webui

* Disable data-refresh if in background
* Allow to save current form by using SHIFT+S
* Add missing become- and connect-user

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* Cleanup job-stati on startup
* Fix Log-view expand-on-waiting behavior
* Fix known_hosts cli-argument

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* Handle edge-case error of schedule
* Handle jobs without credentials
* Cleanup execution status if thread stopped
* Fix editing of credentials (*ssk-key invalid*)

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* Fix for Nginx config-example
* Fix for Log-Directory creation
* Enable SSH host-key checking by default (*ansible-runner seem to disable it by default*)
* Enhanced Buttons of Log Live-View
* Git-Repository Cleanup-Hook (Post Job-Run)
* Refactored runtime secret-handling ([ansible-runner](https://ansible.readthedocs.io/projects/runner/en/latest/intro))
* Disabling quick-execution button if custom-execution form is open

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* Fix for possible XSS
* Implemented [Content-Security-Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP) to protect against XSS and injections
* Migrated vendor CSS/JS to be included in the package
* Option to enforce execution prompts
* Fix use of GitHub private repositories

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* Improved [custom execution prompts](https://webui.ansibleguy.net/usage/jobs.html#execute)

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