add vitepress

package.json

@@ -27,7 +27,9 @@
     "build:cli": "bun build src/cli.ts --outfile bin/cli.js --target node --minify",
     "prepublishOnly": "npm run build",
     "dev": "bun run src/cli.ts",
-    "test": "bun run src/cli.ts"
+    "test": "bun run src/cli.ts",
+    "docs:dev": "vitepress dev docs",
+    "docs:build": "vitepress build docs"
   },
   "keywords": [
     "adaptive-video",
@@ -60,10 +62,10 @@
   "devDependencies": {
     "@types/bun": "^1.3.2",
     "@types/cli-progress": "^3.11.6",
-    "typescript": "^5.3.3"
+    "typescript": "^5.3.3",
+    "vitepress": "^1.6.4"
   },
   "dependencies": {
     "cli-progress": "^3.12.0"
   }
 }
-