Add comprehensive documentation for Kubernetes cluster setup - Created Calico-Configuration.md for Calico networking setup via Tigera Operator. - Added Cluster-Architecture.md outlining the architecture of the Kubernetes cluster. - Introduced External-Access.md detailing methods for accessing services externally using Cloudflare and Tor. - Established GitOps-Workflow.md explaining the use of ArgoCD for managing deployments. - Updated Home.md to serve as an entry point for the documentation with links to various sections. - Created K3s-Configuration.md to explain the K3s setup and disabled components. - Added Maintenance-and-Operations.md for day-to-day operations and maintenance tasks. - Introduced MetalLB-Configuration.md for configuring MetalLB for load balancing. - Created Monitoring.md detailing the monitoring setup including Node Exporter and Grafana. - Established Network-Configuration.md to explain the networking components and their interactions. - Added Security-Considerations.md outlining security measures and best practices. - Created Storage-Configuration.md for detailing storage solutions including Longhorn and NFS. Signed-off-by: Aleksei Sviridkin <f@lex.la>