feat!: migrating chart from oben01/charts to the main repository

[oben01]

Migrate the oben01/charts/homarr to the official Homarr repository.

Tasks :

• Clean up all references to the old charts.

• Update issue templates to better align with the Homarr project's branding and guidelines.

• Update CI pipeline:

• Generate keys for chart artifact publication.

• Achieve official-status on Artifact Hub.

• Update and deploy documentation:

• Consider using GitHub Pages for documentation hosting.

• Explore the use of Renovate to automate documentation updates in the documentation repository.

• follow the official status migration guide

• Add MySQL Bitnami chart as a dependency.

• Incorporate the new health check endpoints from #1187

• Handle database migration:

• Use a job or initContainer to manage migration tasks.

• If no Docker image is available for the migration process, build a lightweight custom image for use in an init container. This may require creating a separate repository for custom Docker images.

• Add a switch for database migration, with the default set to false.

• Create a PVC with local images set to false by default

Extras :

• Database backup system (S3, NAS etc)