break: switch from k3s to k0s

- 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

🤖

manifests/metallb-address-pool.yml

@@ -0,0 +1,10 @@
+---
+apiVersion: metallb.io/v1beta1
+kind: IPAddressPool
+metadata:
+  name: metallb-address-pool
+  namespace: metallb
+  annotations:
+spec:
+  addresses:
+  - 194.55.14.183/32