* Refactor RemoteTool to support OpenAPI style spec

* Refactor base tool, remote tool and tool server to support OpenAPI spec.

* Update all tools to new style annotation

* Fix wrappers and server

* Update requirements

* Remove mmengine and opencv requirements

* Add missing file

* Update requirements and langchain

* Fix remote tool to support schema.AllOf

* Update code style to increase line width

* Support general file type inputs and outputs

* Update `RemoteTool` and add docstring.

* Add Gradio interface

* Fix bugs

* Support Lagent 0.2.0 and update gradio web ui

* Fix internlm2 agent in webui

* Make function tool can be used in server.

* Move gradio webui to `webui` folder.

* Add Chinese WebUI Readme

* Update docs

* Update search tool

* Bump version to v0.2.0