Refactor site generation into a modular content pipeline

package.json

@@ -4,10 +4,11 @@
   "type": "module",
   "scripts": {
     "generate": "node generator.js",
-    "check": "node generator.js --clean && node check.js",
+    "check": "node generator.js && node check.js",
+    "test": "node generator.js && bun test",
     "clean": "node clean.js",
     "dev": "node generator.js --drafts && vite",
-    "build": "node generator.js --clean && node check.js && vite build",
+    "build": "node generator.js && node check.js && vite build",
     "preview": "vite preview"
   },
   "dependencies": {
@@ -18,6 +19,7 @@
     "prismjs": "^1.30.0"
   },
   "devDependencies": {
+    "parse5": "^8.0.1",
     "vite": "^7.0.0"
   },
   "packageManager": "bun@1.3.8"