add pr checklist

.github/review-checklist.md

@@ -0,0 +1,3 @@
+- [ ] Did you check your grammar / reader proof your document using ChatGPT?
+- [ ] Don't forget to squash commits into meaningful chunks before merging
+- [ ] After merging this, please update your task status!

.github/workflows/auto_create_pr_checklist.yml

@@ -0,0 +1,24 @@
+name: Add review checklist
+
+on:
+  pull_request_target:
+    types: [opened]
+
+permissions:
+  pull-requests: write
+
+jobs:
+  add-review-checklist:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v3
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Add review checklist
+        uses: trixi-framework/add-pr-review-checklist@v1
+        with:
+          file: '.github/review-checklist.md'
+          no-checklist-keyword: '[no checklist]'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}