Add GitHub action for format checking

.github/workflows/format-check.yml

@@ -0,0 +1,22 @@
+name: Formatting Check
+
+on: [ push, pull_request ]
+
+jobs:
+  style:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Use LF line endings
+        run: |
+          git config --global core.autocrlf false
+          git config --global core.eol lf
+
+      - uses: actions/checkout@v3
+
+      - name: Check formatting latest
+        uses: ./
+
+      - name: Check formatting specific version
+        uses: ./
+        with:
+          dprint-version: 0.46.3