feat: 添加 Claude Code 插件市场清单文件

- 新增 marketplace.json 市场清单，支持 /plugin marketplace add 安装
- 更新 README.md 安装说明，增加市场安装（方式一）和手动克隆（方式二）

.claude-plugin/marketplace.json

@@ -0,0 +1,40 @@
+{
+  "name": "众望通企业技能市场",
+  "description": "众望通企业 Claude Code Skills 插件市场，包含 PMS 开发、Gitea API 等企业业务集成技能",
+  "source": {
+    "github": null,
+    "git": "http://47.107.61.133:3000/chinaweal/chinaweal-skills.git"
+  },
+  "plugins": [
+    {
+      "name": "chinaweal-pms",
+      "description": "众望通 PMS 系统数据查询工具。用于查询 PMS 系统中的待办任务数据。",
+      "categories": ["development", "enterprise"],
+      "keywords": ["pms", "todo", "待办"],
+      "source": {
+        "git": "http://47.107.61.133:3000/chinaweal/chinaweal-skills.git",
+        "path": "skills/chinaweal-pms"
+      }
+    },
+    {
+      "name": "gitea-api",
+      "description": "Gitea API 调用工具。用于与 Gitea 代码托管平台进行交互。",
+      "categories": ["development", "enterprise"],
+      "keywords": ["gitea", "api", "仓库管理"],
+      "source": {
+        "git": "http://47.107.61.133:3000/chinaweal/chinaweal-skills.git",
+        "path": "skills/gitea-api"
+      }
+    },
+    {
+      "name": "pms-development",
+      "description": "PMS 待办开发工具。用于开发 PMS 系统中的待办任务，包括仓库克隆、分支创建、需求开发、代码检查和分支推送。",
+      "categories": ["development", "enterprise"],
+      "keywords": ["pms", "development", "开发待办"],
+      "source": {
+        "git": "http://47.107.61.133:3000/chinaweal/chinaweal-skills.git",
+        "path": "skills/pms-development"
+      }
+    }
+  ]
+}

README.md

@@ -38,6 +38,21 @@ Gitea API 调用工具。用于与 Gitea 代码托管平台进行交互。
 
 ## 安装
 
+### 方式一：Claude Code 插件市场安装（推荐）
+
+在 Claude Code 中使用命令安装：
+
+```
+/plugin add chinaweal-skills
+```
+
+或通过插件名称安装：
+```
+/plugin add 众望通企业技能
+```
+
+### 方式二：手动克隆
+
 将插件克隆到本地：
 
 ```bash