chore: Added greetings workflow

.github/workflows/greetings.yml

@@ -0,0 +1,37 @@
+name: Greetings
+
+on: [pull_request, issues]
+
+jobs:
+  greeting:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+    - uses: actions/first-interaction@v1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        issue-message: |
+          Hi there 😃
+
+          Since this is your first issue here, please take a moment to read how we use issues.
+
+          If there's something not working, wrong, broken, or confusing, you came to the right place.
+
+          If it's help or support you're looking for,
+          please join our Discord server at https://discord.freesewing.org/
+          rather than creating an issue.
+
+          Also, you can support FreeSewing via https://freesewing.org/patrons/join/
+
+          ♥
+
+        pr-message: |
+          Hi there 👋
+
+          Thank you for submitting a pull request.
+
+          Please note that our code of conduct lives at
+            https://freesewing.dev/contributors/code-of-conduct/
+