Add CI

.github/workflows/ci.yml

@@ -0,0 +1,30 @@
+name: ci
+
+on:
+  pull_request:
+  workflow_dispatch:
+  push:
+    branches: [main]
+
+jobs:
+  Test:
+    strategy:
+      matrix:
+        lua-version: ["5.4", "5.3", "5.2", "5.1", "luajit"]
+        os: ["ubuntu-latest"]
+        include:
+          - os: "macos-latest"
+            lua-version: "5.4"
+          - os: "windows-latest"
+            lua-version: "luajit"
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@master
+      - uses: hishamhm/gh-actions-lua@master
+        with:
+          luaVersion: ${{ matrix.lua-version }}
+      - name: Test
+        run: |
+          make dev
+          make all