重新布局，添加教程

package-lock.json

@@ -13,6 +13,8 @@
         "@codemirror/lang-javascript": "^6.2.3",
         "@vueuse/core": "^12.7.0",
         "codemirror": "^6.0.1",
+        "github-markdown-css": "^5.8.1",
+        "marked": "^15.0.7",
         "naive-ui": "^2.41.0",
         "normalize.css": "^8.0.1",
         "vue": "^3.5.13",
@@ -1618,6 +1620,18 @@
         "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
       }
     },
+    "node_modules/github-markdown-css": {
+      "version": "5.8.1",
+      "resolved": "https://registry.npmjs.org/github-markdown-css/-/github-markdown-css-5.8.1.tgz",
+      "integrity": "sha512-8G+PFvqigBQSWLQjyzgpa2ThD9bo7+kDsriUIidGcRhXgmcaAWUIpCZf8DavJgc+xifjbCG+GvMyWr0XMXmc7g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/glob-parent": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
@@ -1820,6 +1834,18 @@
         "@jridgewell/sourcemap-codec": "^1.5.0"
       }
     },
+    "node_modules/marked": {
+      "version": "15.0.7",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-15.0.7.tgz",
+      "integrity": "sha512-dgLIeKGLx5FwziAnsk4ONoGwHwGPJzselimvlVskE9XLN4Orv9u2VA3GWw/lYUqjfA0rUT/6fqKwfZJapP9BEg==",
+      "license": "MIT",
+      "bin": {
+        "marked": "bin/marked.js"
+      },
+      "engines": {
+        "node": ">= 18"
+      }
+    },
     "node_modules/merge-stream": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",