Set up Github Actions CI

This runs luacheck in CI

Author: pnorman

.github/workflows/ci.yml

@@ -0,0 +1,14 @@
+name: Check and run
+on: [push, pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install lua
+        run: |
+          sudo apt-get update -qq &&
+          sudo apt-get install -qq --no-install-recommends lua5.3 lua-check
+      - name: Check lua files
+        run: bin/check-lua-scripts.sh
+