set up Biome

package.json

@@ -9,7 +9,10 @@
 		"build": "astro build",
 		"preview": "astro preview",
 		"astro": "astro",
-		"lint": "eslint --ext .js --ext .ts --ext .astro"
+		"check:lint": "biome check",
+		"check:format": "bunx biome format",
+		"format": "bunx biome format --write",
+		"fix": "bunx biome lint --write"
 	},
 	"dependencies": {
 		"@astrojs/alpinejs": "^0.4.9",
@@ -28,13 +31,8 @@
 	},
 	"devDependencies": {
 		"@astrojs/ts-plugin": "^1.10.4",
-		"bun-types": "1.3.0",
-		"eslint": "^9.37.0",
-		"eslint-plugin-astro": "^1.3.1",
-		"eslint-plugin-prettier": "^5.5.4",
-		"prettier": "^3.6.2",
-		"prettier-plugin-astro": "^0.14.1",
-		"typescript-eslint": "^8.46.0"
+		"@biomejs/biome": "2.3.2",
+		"bun-types": "1.3.0"
 	},
 	"module": "index.ts",
 	"peerDependencies": {