remove(docfx): 删除 DocFX 配置文件

- 移除 docfx.json 配置文件
- 移除 filterConfig.yml 过滤配置文件
- 移除 index.md 主页文档
- 移除 toc.yml 导航配置文件
- 移除 API 目录下的 toc.yml 文件

docfx/docfx.json

@@ -1,47 +0,0 @@
-{
-  "metadata": [
-    {
-      "src": [
-        {
-          "src": "..",
-          "files": [
-            "GFramework.Core/GFramework.Core.csproj",
-            "GFramework.Core.Abstractions/GFramework.Core.Abstractions.csproj",
-            "GFramework.Game/GFramework.Game.csproj",
-            "GFramework.Game.Abstractions/GFramework.Game.Abstractions.csproj",
-            "GFramework.Godot/GFramework.Godot.csproj"
-          ]
-        }
-      ],
-      "dest": "api",
-      "filter": "filterConfig.yml",
-      "properties": {
-        "TargetFramework": "net8.0"
-      }
-    }
-  ],
-  "build": {
-    "content": [
-      { "files": [ "index.md" ] },
-      { "files": [ "api/**.yml" ] },
-      {
-        "files": [ "**/*.md", "**/toc.yml" ],
-        "src": "../docs"
-      }
-    ],
-    "resource": [
-      { "files": [ "images/**", "**/*.png", "**/*.jpg", "**/*.jpeg", "**/*.gif", "**/*.svg" ] }
-    ],
-    "dest": "_site",
-    "template": [ "default", "templates/material" ],
-    "globalMetadata": {
-      "_appTitle": "GFramework Documentation",
-      "_enableSearch": true,
-      "_appFooter": "Copyright © 2026 GeWuYou. All rights reserved.",
-      "pdf": false
-    },
-    "xref": [
-      "https://learn.microsoft.com/en-us/dotnet/.xrefmap.json"
-    ]
-  }
-}

docfx/filterConfig.yml

@@ -1,13 +0,0 @@
-apiRules:
-- exclude:
-    # 排除测试项目
-    uidRegex: ^.*Tests$
-    type: Namespace
-- exclude:
-    # 排除生成器项目
-    uidRegex: ^.*SourceGenerators.*$
-    type: Namespace
-- exclude:
-    # 排除内部实现细节
-    uidRegex: ^.*Internals.*$
-    type: Namespace

docfx/index.md

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

docfx/toc.yml

@@ -1,5 +0,0 @@
-- name: Home
-  href: ../docs/index.md
-- name: API Documentation
-  href: api/
-  homepage: api/namespaces.md

docs/api/toc.yml

@@ -1,2 +0,0 @@
-- name: Namespaces
-  href: namespaces.md