init: 初始化mock-server项目

- 搭建Rust项目基础结构（src/mocks目录、核心模块空文件）
- 配置Cargo.toml核心依赖（Axum/Tokio/Serde等）
- 添加.gitignore和README初始文件
- 适配Rust开发环境基础配置

项目说明：
- 名称：mock-server | 描述：Rust/Axum配置驱动Mock服务 | 环境：Rust 1.70+
- 下一步：完善文档、补充核心业务逻辑、配置CI/CD"

LICENSE

@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2025 CNWei
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.