Run lint on CI (#2)

Author: ybiquitous

.github/workflows/test.yml

@@ -0,0 +1,25 @@
+name: Test
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["**"]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        emacs-version:
+          - 24.5
+          - 25.3
+          - 26.3
+          - 27.2
+    steps:
+      - uses: actions/checkout@v2
+      - uses: purcell/setup-emacs@master
+        with:
+          version: ${{ matrix.emacs-version }}
+      - uses: leotaku/elisp-check@master