build(docfx): 更新文档构建配置

移除了冗余的content配置项，简化了文件路径匹配规则，
统一使用更简洁的glob模式来处理markdown和toc文件

docfx/docfx.json

@@ -22,24 +22,14 @@
   ],
   "build": {
     "content": [
-      {
-        "files": [ "api/**.yml", "api/index.md" ]
-      },
-      {
-        "files": [ "../docs/**.md", "../docs/**/toc.yml" ],
-        "src": "../docs"
-      },
-      {
-        "files": [ "toc.yml", "*.md" ]
-      }
-    ],
-    "resource": [
-      {
-        "files": [ "../README.md" ],
-        "src": ".."
-      }
-    ],
-    "dest": "_site",
+    { "files": [ "index.md" ] },
+    { "files": [ "api/**.yml", "api/index.md" ] },
+    {
+      "files": [ "**.md", "**/toc.yml" ],
+      "src": "../docs"
+    }
+  ],
+  "dest": "_site",
     "template": [ "default" ],
     "globalMetadata": {
       "_appTitle": "GFramework Documentation",

docfx/index.md

@@ -0,0 +1,6 @@
+# GFramework Documentation
+
+欢迎来到 **GFramework** 文档站点。
+
+- 📘 [使用指南](docs/index.md)
+- 🧩 [API 文档](api/index.html)