feat: ssg critical css

package.json

@@ -26,6 +26,7 @@
     "@vitejs/plugin-vue": "^1.3.0",
     "@vue/compiler-sfc": "^3.1.5",
     "@vue/server-renderer": "^3.1.5",
+    "critters": "^0.0.10",
     "cross-env": "^7.0.3",
     "eslint": "^7.32.0",
     "https-localhost": "^4.6.5",
@@ -41,7 +42,7 @@
     "vite-plugin-pwa": "^0.9.3",
     "vite-plugin-vue-layouts": "^0.3.1",
     "vite-plugin-windicss": "^1.2.7",
-    "vite-ssg": "^0.13.0",
+    "vite-ssg": "^0.14.4",
     "vue-tsc": "^0.2.2"
   }
 }