ci: add feedback action

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

.github/workflows/pr-feedback.yml

@@ -0,0 +1,29 @@
+name: 'Ask for feedback on PRs'
+on:
+  schedule:
+    - cron: '30 1 * * *'
+
+jobs:
+  pr-feedback:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: The get-github-handles-from-website action
+        uses: marcelklehr/get-github-handles-from-website-action@a739600f6b91da4957f51db0792697afbb2f143c # v1.0.0
+        id: scrape
+        with:
+          website: 'https://nextcloud.com/team/'
+      - uses: marcelklehr/pr-feedback-action@601109aa729eb4c8d6d0ece7567b9d4901db4aef
+        with:
+          feedback-message: |
+            Hello there,
+            Thank you so much for taking the time and effort to create a pull request to our Nextcloud project. 
+
+            We hope that the reviewing process is going smooth and is helpful for you. We want to ensure your pull request is reviewed to your satisfaction. If you have a moment, our community management team would very much appreciate your feedback on your experience with this PR reviewing process.
+
+            Your feedback is valuable to us as we continuously strive to improve our community developer experience. Please take a moment to complete our short survey by clicking on the following link: https://cloud.nextcloud.com/apps/forms/s/i9Ago4EQRZ7TWxjfmeEpPkf6
+
+            Thank you for contributing to Nextcloud and we hope to hear from you soon!
+          days-before-feedback: 14
+          start-date: "2023-07-10"
+          exempt-authors: "${{ steps.scrape.outputs.users }}"
+          exempt-bots: true