Update recommended-inline-policy with VPC permissions (#96)

Issue #, if available: n/a

Description of changes: Updates the recommended inline policy with permissions needed to create Lambda functions inside a VPC.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Author: jessebye

config/iam/recommended-inline-policy

@@ -7,7 +7,10 @@
                 "lambda:*",
                 "s3:Get*",
                 "ecr:Get*",
-                "ecr:BatchGet*"
+                "ecr:BatchGet*",
+                "ec2:DescribeSecurityGroups",
+                "ec2:DescribeSubnets",
+                "ec2:DescribeVpcs"
             ],
             "Resource": "*"
         },