Add support for named routes

还没有人认领这个 Issue。

Add a name parameter to routing annotations such as `@Get` etc.
This would allow us generate absolute or relative URLs by name and change URLs with less impact on other parts of an application. In addition this could also be used to pre-validate path parameters and create even safer applications.

## Examples
```java
@PathPrefix("/api/users")
public class UserController {
@Get("/{String:name}", name="greetUser")
public String greet(@Path("name") String name) {
return "Hello " + name;
}
}

// In other parts of the application
server.makeRoute("greetUser", "JanHolger"); -> /api/users/JanHolger
```

先跟踪 @Get 和 @PathPrefix 等路由注解的处理方式，然后检查示例中展示的入口点 server.makeRoute。定义路由名称、URL 生成和路径参数验证应如何工作，并验证命名的 greetUser 示例会生成 /api/users/JanHolger。

由索引模型根据 Issue 内容生成。