chore: ensure @vite-pwa/vitepress is installed

Author: chrisbbreuer

package.json

@@ -55,6 +55,7 @@
     "@shikijs/vitepress-twoslash": "^2.1.0",
     "@stacksjs/eslint-config": "^3.15.1-beta.4",
     "@types/bun": "^1.2.0",
+    "@vite-pwa/vitepress": "^0.5.3",
     "bumpp": "^10.0.1",
     "bun-plugin-dtsx": "^0.21.9",
     "bunfig": "^0.5.3",