Adding welcome github action for user when they open a PR or an issue

.github/workflows/greetings.yml

@@ -0,0 +1,34 @@
+name: Greetings
+
+on: [pull_request_target, issues]
+
+jobs:
+  greeting:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+    - name: Greet user on every pull request
+      if: github.event_name == 'pull_request_target'
+      uses: actions/github-script@v7
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        script: |
+          const comment = `
+          Hello !
+
+            Thank you for opening a pull request. We appreciate your contribution.
+
+            Please make sure to read our contribution guidelines and let us get back to you.
+
+            In the meantime grab a cup of :coffee:
+
+            Thanks again!
+          `
+            await github.rest.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,  
+              body: comment
+            })