separate prerequisities seciton / troubleshooting section in installation of readme

README.md

@@ -62,9 +62,12 @@ Exo supports different partitioning strategies to split up a model across device
 
 The current recommended way to install exo is from source.
 
+### Prerequisites
+
+- Python>=3.12.0 is required because of [issues with asyncio](https://github.com/exo-explore/exo/issues/5) in previous versions.
+
 ### From source
 
-Python>=3.12.0 is required because of [issues with asyncio](https://github.com/exo-explore/exo/issues/5) in previous versions.
 
 ```sh
 git clone https://github.com/exo-explore/exo.git
@@ -72,6 +75,10 @@ cd exo
 pip install .
 ```
 
+### Troubleshooting
+
+- If running on Mac, MLX has an [install guide](https://ml-explore.github.io/mlx/build/html/install.html) with troubleshooting steps
+
 ## Documentation
 
 ### Example Usage on Multiple MacOS Devices