update readme to website readme

Author: justinchiu-cohere

README.md

@@ -1 +1,21 @@
 # Commit0
+
+Commit-0 is a from scratch AI coding challenge. Can you create a library from commit 0?
+
+The benchmark consists of 57 core Python libraries. The challenge is to rebuild these libraries and pass their unit tests. All libraries have:
+
+* Significant test coverage
+* Detailed specification and documentation
+* Lint and type checking
+
+Commit-0 is an interactive environment that makes it easy to design and test new agents. You can:
+
+* Efficiently run tests in isolated environemnts
+* Distribute testing and development across cloud systems
+* Track and log all changes made throughout.
+
+To install run:
+
+```
+pip install commit0
+```