Added some more doc links to the README

Author: Andrew J Westlake

README.md

@@ -7,10 +7,14 @@
 
 [Rust](http://www.rust-lang.org/) bindings for [Python](https://www.python.org/)'s [Asyncio Library](https://docs.python.org/3/library/asyncio.html). This crate facilitates interactions between Rust Futures and Python Coroutines and manages the lifecycle of their corresponding event loops.
 
+* PyO3 Project: [Homepage](https://pyo3.rs/) | [GitHub](https://github.com/PyO3/pyo3)
+
 * API Documentation: [stable](https://docs.rs/pyo3-asyncio/) | [master](https://awestlake87.github.io/pyo3-asyncio/master/doc)
 
 * Contributing Notes: [github](https://github.com/awestlake87/pyo3-asyncio/blob/master/Contributing.md)
 
+* PyO3 Guide for Async / Await [stable](https://pyo3.rs/v0.13.2/ecosystem/async-await.html)
+
 > PyO3 Asyncio is a _brand new_ part of the broader PyO3 ecosystem. Feel free to open any issues for feature requests or bugfixes for this crate.
 
 ## Known Problems