chore: create greetings workflow (#1909)

.github/workflows/greetings.yml

@@ -0,0 +1,18 @@
+name: Greetings
+
+on: [pull_request_target, issues]
+
+permissions:
+  pull-requests: write
+  issues: write
+
+jobs:
+  greeting:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/first-interaction@v1
+        continue-on-error: true
+        with:
+          repo-token: ${{ secrets.PAT_TOKEN }}
+          issue-message: "Thanks for reporting this issue, don't forget to star this project if you haven't already to help us reach a wider audience."
+          pr-message: "Thanks for implementing a fix, could you ensure that the test covers your changes if applicable."