📖 Adding a proposal for standardized cluster infrastructure

Created by: batistein

Digital Sovereignty through standardized cluster stacks, provider-independent infrastructure, and clearly separated layers

Signed-off-by: Sven Batista Steinbach sven.batista-steinbach@syself.com Signed-off-by: Janis Kemper janis.kemper@syself.com

Link: https://github.com/syself/scs-docs/blob/syself/proposal/Design-Docs/standardizing-cluster-infrastructure.md