refactor: refactor tool macros and router implementation (#261)

* refactor: refactor tool macros and router implementation

- Updated the `#[tool(tool_box)]` macro to `#[tool_router]` across various modules for consistency.
- Enhanced the `Calculator`, `Counter`, and `GenericService` structs to utilize `ToolRouter` for handling tool calls.
- Introduced `Parameters` struct for better parameter handling in tool functions.
- Added new methods for listing tools and calling tools in server handlers.
- Improved test cases to reflect changes in tool routing and parameter handling.
- Updated documentation and examples to align with the new router structure.

* fix: fix fmt and build error

* fix: fix test failure

* docs: documents for macros, fix ci

* fix: fix ci

* fix: fix wrongly replaced documents

* fix: remove useless file

* fix: change the parameter format for tool_router

* fix: update extract_doc_line to handle existing documentation and clean up unused code in server handler

* doc: update document for macro and examples

* doc: update readme and add contribute guide

* fix: fix type

README.md

@@ -124,5 +124,10 @@ See [oauth_support](docs/OAUTH_SUPPORT.md) for details.
 ## Related Projects
 - [containerd-mcp-server](https://github.com/jokemanfire/mcp-containerd) - A containerd-based MCP server implementation
 
-## Development with Dev Container
-See [docs/DEVCONTAINER.md](docs/DEVCONTAINER.md) for instructions on using Dev Container for development.
+## Development
+
+### Tips for Contributors
+See [docs/CONTRIBUTE.MD](docs/CONTRIBUTE.MD) to get some tips for contributing.
+
+### Using Dev Container
+If you want to use dev container, see [docs/DEVCONTAINER.md](docs/DEVCONTAINER.md) for instructions on using Dev Container for development.