Move restyled to a github action

.github/workflows/restyled.yml

@@ -0,0 +1,36 @@
+name: Restyled
+
+on:
+  pull_request:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  restyled:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
+
+      - uses: restyled-io/actions/setup@v4
+      - id: restyler
+        uses: restyled-io/actions/run@v4
+        with:
+          fail-on-differences: true
+
+      - if: |
+          !cancelled() &&
+          steps.restyler.outputs.success == 'true' &&
+          github.event.pull_request.head.repo.full_name == github.repository
+        uses: peter-evans/create-pull-request@v6
+        with:
+          base: ${{ steps.restyler.outputs.restyled-base }}
+          branch: ${{ steps.restyler.outputs.restyled-head }}
+          title: ${{ steps.restyler.outputs.restyled-title }}
+          body: ${{ steps.restyler.outputs.restyled-body }}
+          labels: "restyled"
+          reviewers: ${{ github.event.pull_request.user.login }}
+          delete-branch: true