[META] Create a gitOps workflow

[1Copenut]

Description

I'd like to know how to ship my stuff, and build enough infrastructure to do it myself. This issue will be a meta issue for the total effort.

Task list

• [ ] https://github.com/1Copenut/homelab-learning/issues/3
• [ ] https://github.com/1Copenut/homelab-learning/issues/160
• [ ] https://github.com/1Copenut/homelab-learning/issues/157
• [ ] https://github.com/1Copenut/homelab-learning/issues/158
• [ ] https://github.com/1Copenut/homelab-learning/issues/159
• [ ] https://github.com/1Copenut/homelab-learning/issues/161