docs: update documents category, add preload script document

docs/package-lock.json

@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "vitepress": "^1.0.0-rc.20",
-        "vitepress-sidebar": "^1.17.0",
+        "vitepress-sidebar": "^1.18.0",
         "vue": "^3.3.4"
       },
       "engines": {
@@ -1277,9 +1277,9 @@
       }
     },
     "node_modules/vitepress-sidebar": {
-      "version": "1.17.0",
-      "resolved": "https://registry.npmjs.org/vitepress-sidebar/-/vitepress-sidebar-1.17.0.tgz",
-      "integrity": "sha512-/emot28rHICDkCeGbrEMQYe+lUErQ+NfOA33NPElhsq5Def72ifPYLb1UFj9YfuH9Pda4gnStzynUHF8jKnMuA==",
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/vitepress-sidebar/-/vitepress-sidebar-1.18.0.tgz",
+      "integrity": "sha512-Ki9ZpNa0CUNr7kovAbAEJ5v4MEZi+dte8Bz3OxkQcjFqrOGfQGEoGATRgf9m6N741epLLB3PFdaUCN6ZH0zmhg==",
       "dependencies": {
         "gray-matter": "^4.0.3"
       },