Add Guillotina (#41)

Author: masipcat

README.md

@@ -39,6 +39,7 @@ _Frameworks for building ASGI web applications._
 - [Channels](https://channels.readthedocs.io/en/latest/) - Asynchronous support for Django, and the original driving force behind the ASGI project. Supports HTTP and WebSockets with Django integration, and any protocol with ASGI-native code.
 - [Django](https://docs.djangoproject.com/en/3.0/topics/async/) - The web framework for perfectionists with deadlines. Has native ASGI support since version 3.0.
 - [FastAPI](https://github.com/tiangolo/fastapi) - A modern, high-performance web framework for building APIs with Python 3.6+ based on standard Python type hints. Powered by Starlette and Pydantic. Supports HTTP and WebSockets.
+- [Guillotina](https://github.com/plone/guillotina) - Full-featured ASGI-compatible REST application framework, designed for high performance and horizontally scaling solutions.
 - [Quart](https://github.com/pgjones/quart) - A Python ASGI web microframework whose API is a superset of the Flask API. Supports HTTP (incl. SSE and HTTP/2 server push) and WebSockets.
 - [Responder](https://responder.readthedocs.io/en/latest/) - A familiar HTTP Service Framework for Python, powered by Starlette.
 - [Sanic](https://sanicframework.org/) - Sanic is a Python 3.6+ web server and web framework that's written to go fast. It allows the usage of the async/await syntax added in Python 3.5, which makes your code non-blocking and speedy. Supports HTTP and WebSockets.