adding ec2 stubs

moto/ec2/responses/vpcs.py

@@ -0,0 +1,16 @@
+from jinja2 import Template
+
+from moto.ec2.models import ec2_backend
+from moto.ec2.utils import resource_ids_from_querystring
+
+
+class VPCs(object):
+    def create_vpc(self):
+        return NotImplemented
+
+    def delete_vpc(self):
+        return NotImplemented
+
+    def describe_vpcs(self):
+        return NotImplemented
+