ci: add CI workflow to run Prettier check

Author: PaulRBerg

.github/workflows/ci.yml

@@ -0,0 +1,27 @@
+name: "CI"
+
+on:
+  pull_request:
+  push:
+    branches: ["main"]
+
+jobs:
+  ci:
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out the repo"
+        uses: "actions/checkout@v4"
+
+      - name: "Install Bun"
+        uses: "oven-sh/setup-bun@v2"
+
+      - name: "Install the Node.js dependencies"
+        run: "bun install"
+
+      - name: "Lint the code"
+        run: "bun run prettier:check"
+
+      - name: "Add summary"
+        run: |
+          echo "## CI result" >> $GITHUB_STEP_SUMMARY
+          echo "✅ Passed" >> $GITHUB_STEP_SUMMARY