Replace Travis CI with GitHub Actions (#51)

.github/workflows/build.yml

@@ -0,0 +1,24 @@
+name: build
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+
+      - run: |
+         sudo apt-get update -qq
+         sudo apt-get install -qqq luarocks
+      - name: Install pre-commit
+        run: pip3 install pre-commit
+
+      - name: Install LuaCheck
+        run: luarocks install --local luacheck
+
+      - name: Run LuaCheck using pre-commit
+        run: |
+         pre-commit run --all-files
+         $HOME/.luarocks/bin/luacheck .