feat: add swiftformat to workflow CI

.github/workflows/format.yml

@@ -0,0 +1,18 @@
+name: 🧼 SwiftFormat
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  swiftformat:
+    runs-on: macOS-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install SwiftFormat
+        run: brew install swiftformat
+
+      - name: Run SwiftFormat in Strict Mode
+        run: swiftformat . --strict