Add continuous control to features list

Author: Isaac Poulton

README.md

@@ -20,6 +20,8 @@ At the time of writing, there are no general-use reinforcement learning framewor
   - A2C
   - PPO
 - Recurrent policies (GRU based)
+- Continuous control
+- Discrete control
 - Cross-platform compatibility (tested on Windows 10, Ubuntu 16.04, and Ubuntu 18.04)
 - Solid test coverage
 - Decently optimized (always open to pull requests improving optimization though)