refactor: Modularize Stylesheets

package.json

@@ -4,7 +4,11 @@
   "description": "Portfolio website",
   "main": "script.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "build": "npx @11ty/eleventy",
+    "start": "npx @11ty/eleventy --serve",
+    "clean": "rimraf _site",
+    "dev": "npm run clean && npm run start"
   },
   "repository": {
     "type": "git",
@@ -18,6 +22,6 @@
   },
   "homepage": "https://github.com/dereklseitz/dereklseitz.github.io#readme",
   "devDependencies": {
-    "@11ty/eleventy": "^3.1.2"
+    "rimraf": "^6.0.1"
   }
 }