Apply format if needed

.github/workflows/pull_request.yml

@@ -6,6 +6,34 @@ env:
   CONFIG: Release
 
 jobs:
+  format:
+    name: Format
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '8.x.x'
+
+      - run: dotnet tool restore
+
+      - name: Format
+        run: find . -name '*.fs' | xargs dotnet fantomas
+
+      - uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: "Apply formatting"
+          commit_options: '--no-verify --signoff'
+          repository: .
+          skip_dirty_check: false
+          skip_fetch: false
+          skip_checkout: true
+          disable_globbing: true
+          create_branch: false
+
   pull_request:
     runs-on: ubuntu-latest
     steps: