APIServer service selector adjustment (#30)

Author: OscarLlamas6

config/apiserver/service.yaml

@@ -7,7 +7,7 @@ metadata:
 spec:
   type: ClusterIP
   selector:
-    app: datum-apiserver
+    app.kubernetes.io/name: datum-apiserver
   ports:
   - name: https
     port: 6443