ci(github): Add stylua check

.github/workflows/formatting.yml

@@ -0,0 +1,17 @@
+name: stylua
+on:
+	push:
+		branches:
+      - dev
+		paths-ignore:
+			- ".github/**"
+
+jobs:
+	stylua:
+		runs-on: ubuntu-latest
+		steps:
+			- uses: actions/checkout@v2
+			- uses: JohnnyMorganz/stylua-action@1.0.0
+				with:
+					token: ${{ secrets.GITHUB_TOKEN }}
+					args: --check --config-path=stylua.toml .