feat(ci/cd): add stylua action (#12)

* feat(ci/cd): add stylua action

* docs: Add StyLua disclaimer to README

* fix(ci/cd-stylua): Secret started with GITHUB_

* fix(ci/cd-stylua): Missing name, on, jobs

.github/workflows/stylua.yml

@@ -0,0 +1,11 @@
+name: StyLua
+on: [push, pull_request]
+jobs:
+  StyLua check:
+    - uses: actions/checkout@v3
+    - uses: JohnnyMorganz/stylua-action@v3
+      with:
+        token: ${{ secrets.GH_TOKEN }}
+        version: v0.8.2 # NOTE: we recommend pinning to a specific version in case of formatting changes
+        # CLI arguments
+        args: --check .