Revert "Remove labeller.yml"

This reverts commit 020df1c.

Author: rajat-puppet

.github/workflows/labeller.yml

@@ -0,0 +1,27 @@
+name: Labeller
+
+on:
+  issues:
+    types:
+      - opened
+      - labeled
+      - unlabeled
+  pull_request:
+    types:
+      - opened
+      - labeled
+      - unlabeled
+
+jobs:
+  label:
+    runs-on: ubuntu-latest
+    steps:
+
+      - uses: puppetlabs/[email protected]
+        name: Label issues or pull requests
+        with:
+          label_name: community
+          label_color: '5319e7'
+          org_membership: puppetlabs
+          fail_if_member: 'true'
+          token: ${{ secrets.IAC_COMMUNITY_LABELER }}