K8SPSMDB-1304 Adding Recommended Labels (#1776)

* Adding labels

* Update operator.yaml

Removing the version

---------

Co-authored-by: Viacheslav Sarzhan <slava.sarzhan@percona.com>
Co-authored-by: George Kechagias <geo.kechagias@gmail.com>

Author: 3 people

deploy/operator.yaml

@@ -2,15 +2,26 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: percona-server-mongodb-operator
+  labels:
+    app.kubernetes.io/component: operator
+    app.kubernetes.io/instance: percona-server-mongodb-operator
+    app.kubernetes.io/name: percona-server-mongodb-operator
+    app.kubernetes.io/part-of: percona-server-mongodb-operator
 spec:
   replicas: 1
   selector:
     matchLabels:
-      name: percona-server-mongodb-operator
+      app.kubernetes.io/component: operator
+      app.kubernetes.io/instance: percona-server-mongodb-operator
+      app.kubernetes.io/name: percona-server-mongodb-operator
+      app.kubernetes.io/part-of: percona-server-mongodb-operator 
   template:
     metadata:
       labels:
-        name: percona-server-mongodb-operator
+        app.kubernetes.io/component: operator
+        app.kubernetes.io/instance: percona-server-mongodb-operator
+        app.kubernetes.io/name: percona-server-mongodb-operator
+        app.kubernetes.io/part-of: percona-server-mongodb-operator
     spec:
       serviceAccountName: percona-server-mongodb-operator
       containers: