Include docker-compose steps in hosting for localized database backups

[aaronkanzer]

Provides docker-compose steps that allow an end user to easily access and run commands for data integrity and reliability against a local fossil-db and postgres instances

Cc @kabilar

URL of deployed dev instance (used for testing):

N/A

Steps to test:

• Create a deployment of WebKNOSSOS via instructions on https://docs.webknossos.org/webknossos/installation.html
• Once all containers are healthly on your local EC2, run docker-compose run --rm fossil-db-backup
• Confirm backup is present in /persistent/fossildb/backup/private on EC2 instance
• Run docker-compose run --rm fossil-db-restore to observe successful restoration (additionally, you can destroy the local fossildb instance and see if you can re-populate via restore)

TODOs:

• [x] Include similar docker-compose scripts for pg_dump equivalent

Issues:

• fixes #

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(Please delete unneeded items, merge only when none are left open)

• [ ] Updated changelog
• [ ] Updated migration guide if applicable
• [ ] Updated documentation if applicable
• [ ] Adapted wk-libs python client if relevant API parts change
• [ ] Removed dev-only changes like prints and application.conf edits
• [ ] Considered common edge cases
• [ ] Needs datastore update after deployment

[CLAassistant]

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1 out of 2 committers have signed the CLA.

:white_check_mark: aaronkanzer
:x: Aaron Kanzer

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[philippotto]

Thanks again for your contribution! I'm closing this PR due to inactivity, but please feel free to re-open when you have a chance to revisit it. Note that we cannot take over this PR due to the license issue @normanrz mentioned above:

In order to merge PRs from contributors, we need the CLA check to pass. For that all commits need to be authored with matching email info. Sorry for the inconvenience.