feat(docs): 配置文档生成系统并添加框架文档

- 配置docfx.json以支持多项目源文件生成API文档
- 添加filterConfig.yml过滤测试和内部实现相关代码
- 创建主页index.md介绍GFramework框架特性
- 配置多层级目录结构toc.yml组织文档导航
- 设置构建输出路径和全局元数据配置

docfx/docfx.json

@@ -1,19 +1,54 @@
-{
+{
   "metadata": [
     {
       "src": [
         {
-          "files": [ "GFramework.sln" ]
+          "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"
+      "dest": "api",
+      "filter": "filterConfig.yml",
+      "properties": {
+        "TargetFramework": "net8.0"
+      }
     }
   ],
   "build": {
     "content": [
-      { "files": [ "api/**.yml", "api/index.md" ] },
-      { "files": [ "docs/**.md", "docs/**/toc.yml" ] }
+      {
+        "files": [ "api/**.yml", "api/index.md" ]
+      },
+      {
+        "files": [ "../docs/**.md", "../docs/**/toc.yml" ],
+        "src": "../docs"
+      },
+      {
+        "files": [ "toc.yml", "*.md" ]
+      }
     ],
-    "dest": "_site"
+    "resource": [
+      {
+        "files": [ "../README.md" ],
+        "src": ".."
+      }
+    ],
+    "dest": "_site",
+    "template": [ "default" ],
+    "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

@@ -0,0 +1,13 @@
+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/toc.yml

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

docs/api/toc.yml

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

docs/index.md

@@ -0,0 +1,33 @@
+# GFramework Documentation
+
+Welcome to the GFramework documentation!
+
+## Overview
+
+GFramework is a comprehensive game development framework built with clean architecture principles. It provides a solid foundation for building scalable and maintainable game applications.
+
+## Key Features
+
+- **Clean Architecture**: Well-defined separation of concerns
+- **Modular Design**: Pluggable architecture modules
+- **Event System**: Robust event-driven programming
+- **Command Pattern**: Structured command execution
+- **Property Binding**: Reactive property system
+- **Coroutine Support**: Asynchronous programming utilities
+- **IOC Container**: Dependency injection support
+- **Logging System**: Comprehensive logging capabilities
+
+## Getting Started
+
+Check out the [API Documentation](api/) for detailed reference, or explore the specific modules in the navigation menu.
+
+## Modules
+
+- **Core**: Fundamental framework components
+- **Game**: Game-specific extensions
+- **Godot**: Godot engine integration
+- **Source Generators**: Compile-time code generation
+
+## Contributing
+
+Please read our contributing guidelines before submitting pull requests.

docs/toc.yml

@@ -0,0 +1,29 @@
+- name: Home
+  href: index.md
+- name: API Documentation
+  href: api/
+  homepage: api/index.md
+- name: Core Framework
+  items:
+    - name: Architecture
+      href: GFramework.Core/architecture/README.md
+    - name: Commands
+      href: GFramework.Core/command/README.md
+    - name: Events
+      href: GFramework.Core/events/README.md
+    - name: Properties
+      href: GFramework.Core/property/README.md
+    - name: Systems
+      href: GFramework.Core/system/README.md
+    - name: Models
+      href: GFramework.Core/model/README.md
+    - name: Queries
+      href: GFramework.Core/query/README.md
+    - name: Coroutines
+      href: GFramework.Core/coroutine/
+    - name: Logging
+      href: GFramework.Core/logging/README.md
+    - name: IOC Container
+      href: GFramework.Core/ioc/README.md
+    - name: Pool System
+      href: GFramework.Core/pool/README.md