Create dev-branch

Author: egelhaus

.github/workflows/dev-branch

@@ -0,0 +1,23 @@
+name: Make sure new PRs are sent to development
+
+on:
+  pull_request_target:
+    types: [opened, edited]
+
+jobs:
+  check-branch:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      # Do not checkout the repository here. See https://securitylab.github.com/research/github-actions-preventing-pwn-requests/ for more information
+      - uses: Vankka/pr-target-branch-action@v3
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          target: main
+          exclude: dev # Don't prevent going from development -> main
+          change-to: dev
+          comment: |
+              Your PR's base branch was set to `main`, PRs should be set to target `dev`.
+              The base branch of this PR has been automatically changed to `development`, please check that there are no merge conflicts