Try GitHub actions for dotfiles

.github/workflows/ci.yml

@@ -0,0 +1,23 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  brew-build:
+    name: Homebrew
+    runs-on: macos-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up Homebrew
+        uses: Homebrew/actions/setup-homebrew@master
+      - name: Install items from Brewfile
+        uses: brew bundle install