feat: add go-task, set up prettier, format yaml (#50)

cluster/apps/system-upgrade/system-upgrade-controller/server-plan.yaml

@@ -11,12 +11,12 @@ spec:
   cordon: true
   nodeSelector:
     matchExpressions:
-    - key: node-role.kubernetes.io/master
-      operator: In
-      values:
-      - "true"
+      - key: node-role.kubernetes.io/master
+        operator: In
+        values:
+          - "true"
   tolerations:
-  - key: "node-role.kubernetes.io/master"
-    operator: "Exists"
+    - key: "node-role.kubernetes.io/master"
+      operator: "Exists"
   upgrade:
     image: rancher/k3s-upgrade