Removes the remaining dependencies from for Chainmgr primarily from
both docker set ups for front and back .

fixes #1564

feat: bookings

* feat(cli): manage LDAP groups and users
* feat(frontend): manage LDAP groups and users

issue #1337

- remove old lines in docker-compose to clean file
- move variables to .env file instead in Dockerfile
- add missing "file" deb packet to install in ravada-back Dockerfile
- create simbolic link in ravada-back Dockerfile

Fixes issue #1410

Co-authored-by: fv3rdugo <fv3rdugo@gmail.com>

Unexposed 5939 teamviewer port

Issue #1328

* fix(docker): upgrade libs

now that screenshots are stored in databse, libmojolicious-plugin-renderfile-perl is not required anymore

Issue #1344

feature(docker): ravada from dockers

Issue #369