add req files (#8)

.github/policies/avmrequredfiles.yml

@@ -0,0 +1,20 @@
+name: AVM Mandatory Files Policy
+description: This policy will ensure the presence of AVM mandatory files into the repos
+
+resource: repository
+where:
+  # criteria can be provided to limit the repositories the policy is applied to
+configuration:
+  mandatoryFiles:
+    issueTitle: This repo is missing mandatory files
+    issueBody: |
+      There are several mandatory files we require in this
+      repository. A pull request has been opened to add the
+      missing files. When the pr is merged this issue will be
+      closed automatically.
+    prTitle: Adding AVM mandatory file(s) to this repo
+    prBody: |
+      This repository needs the standard workflow files to ensure compliance.
+    file:
+      - path: .github/workflows/version-check.yml
+        prContentLink: https://raw.githubusercontent.com/Azure/terraform-azurerm-avm-template/main/.github/workflows/version-check.yml