refactor(other): deployment

Created by: ulfgebhardt

🍰 Pullrequest

Goals:

• Have depoyment as part of ocelot repo
• Switch easily between different branded configurations
• docker-compose capability for branded configurations
• build and upload branded images
• workflow to build and brand images for our example brand
• brand example after master build using correct version #6006 (closed)
• mechanic how to workflow for external configurations #6007
• deploy to kubernetes easily with branded images, control versions, tags, configs
• issue: migration problem #6005
• issue: don't use latest images in chart - but explicitly define them #6004
• backup kubernetes #6024 (closed)
• script to set a cluster to maintenance #6025 (closed)
• remove deployment branch from workflow
• dns helm chart not working #6026