Update: fix VuePress configuration

Author: dynilath

package.json

@@ -16,12 +16,11 @@
     "@vuepress/bundler-webpack": "2.0.0-rc.19",
     "@vuepress/plugin-redirect": "2.0.0-rc.78",
     "@vuepress/plugin-register-components": "2.0.0-rc.66",
-    "@vuepress/plugin-revealjs": "2.0.0-rc.47",
     "markmap-lib": "^0.18.11",
     "markmap-toolbar": "^0.18.10",
     "markmap-view": "^0.18.10",
     "mermaid": "^11.4.1",
-    "reveal.js": "^5.1.0",
+    "sass-embedded": "^1.85.0",
     "shiki": "^1.29.2",
     "vue": "^3.5.13",
     "vuepress": "2.0.0-rc.19",