break: switch from k3s to k0s (in docker)

- replace k3s with k0s
  - remove argocd-init.yml
  - remove pb_install.yml
  - add docker-compose.yml for k0s setup
  - add k0s-config.yaml for k0s configuration
  - add metallb loadbalancer
    - add metallb ip pool
  - add openebs local storage
- update README

🤖

.renovaterc.json

@@ -4,26 +4,14 @@
     "local>infrastructure/renovate-config"
   ],
   "customManagers": [
-    {
-      "customType": "regex",
-      "description": "k3s",
-      "fileMatch": [
-        "pb_install\\.yml"
-      ],
-      "matchStrings": [
-        "\\s+INSTALL_K3S_CHANNEL:\\s(?<currentValue>.*)"
-      ],
-      "depNameTemplate": "k3s-io/k3s",
-      "datasourceTemplate": "github-releases"
-    },
     {
       "customType": "regex",
       "description": "ArgoCD",
       "fileMatch": [
-        "argocd-init\\.yml$"
+        "k0s-config\\.yaml$"
       ],
       "matchStrings": [
-        "\\s+chart:\\s(?<depName>.*)\\n\\s+repo:\\s(?<registryUrl>.*)\\n\\s+version:\\s(?<currentValue>.*)\\n"
+        "\\s+version:\\s(?<currentValue>.*)\\s+#\\s+depName=(?<depName>.*)\\s+repoUrl=(?<registryUrl>.*)"
       ],
       "datasourceTemplate": "helm"
     },
@@ -41,18 +29,5 @@
       "matchStringsStrategy": "combination",
       "datasourceTemplate": "helm"
     }
-  ],
-  "packageRules": [
-    {
-      "description": "Merged updates not applied by gitops",
-      "matchPackageNames": [
-        "k3s-io/k3s",
-        "argo-cd",
-        "argocd-apps"
-      ],
-      "prBodyNotes": [
-        ":warning: **Manual Intervention**: This update needs manual deployment. Please review and take appropriate action."
-      ]
-    }
   ]
 }