ci(biome): Format and lint with Biome

It keeps the code clean and readable.

.github/workflows/ci.yml

@@ -17,8 +17,8 @@ on:
       - .github/workflows/ci.yml
 
 jobs:
-  type-check:
-    name: 🔍 Type Check
+  astro-check:
+    name: 🚀 Astro Check
     runs-on: Ubuntu-Latest
 
     steps:
@@ -28,8 +28,22 @@ jobs:
       - name: 🍞 Setup Bun with Cache
         uses: ./.github/actions/setup-bun-with-cache
 
-      - name: 🔍 Type Check
-        run: bun run check
+      - name: 🚀 Astro Check
+        run: bun run check:astro
+
+  biome-check:
+    name: 🏞️ Biome Check
+    runs-on: Ubuntu-Latest
+
+    steps:
+      - name: 🚚 Checkout Repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: 🍞 Setup Bun with Cache
+        uses: ./.github/actions/setup-bun-with-cache
+
+      - name: 🏞️ Biome Check
+        run: bun run check:biome
 
   build-check:
     name: 🛠️ Build Check

biome.json

@@ -0,0 +1,9 @@
+{
+  "$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
+  "vcs": {
+    "enabled": true,
+    "clientKind": "git",
+    "useIgnoreFile": true
+  },
+  "formatter": { "indentStyle": "space" }
+}

package.json

@@ -6,13 +6,15 @@
     "dev": "astro dev",
     "build": "astro build",
     "preview": "astro preview",
-    "check": "astro check"
+    "check:astro": "astro check",
+    "check:biome": "biome check"
   },
   "dependencies": {
     "astro": "4.16.10",
     "typescript": "5.6.3"
   },
   "devDependencies": {
-    "@astrojs/check": "0.9.4"
+    "@astrojs/check": "0.9.4",
+    "@biomejs/biome": "1.9.4"
   }
 }