add replication support for ecr repo (#1690)

Author: cloutierMat

data/replicator/coverage.json

@@ -23,6 +23,19 @@
         "service": "ec2",
         "identifier": "VpcId"
     },
+    {
+        "resource_type": "AWS::ECR::Repository",
+        "policy_statements": [
+            "cloudformation:GetResource",
+            "ecr:BatchCheckLayerAvailability",
+            "ecr:BatchGetImage",
+            "ecr:DescribeRepositories",
+            "ecr:GetAuthorizationToken",
+            "ecr:GetDownloadUrlForLayer"
+        ],
+        "service": "ecr",
+        "identifier": "RepositoryName:<ImageTag[Optional]>"
+    },
     {
         "resource_type": "AWS::IAM::Policy",
         "policy_statements": ["iam:GetPolicy"],