Updated README.md with link to manuscript.

Author: ThomasAkam

README.md

@@ -2,7 +2,7 @@
 
 ![Figure](./plots/figure.png)
 
-This repository contains code used to generate the neural network model figure from the manuscript:
+This repository contains code used to generate the neural network model figure from the [manuscript](https://www.biorxiv.org/content/10.1101/2021.06.25.449995v3):
 
 > Blanco-Pozo, M., Akam, T., &  Walton, M. (2023).  **Dopamine-independent state inference mediates expert reward guided decision making**  *bioRxiv*, 2023-04.
 
@@ -29,4 +29,4 @@ The file [run_experiment.py](./code/run_experiment.py) in the `code` folder cont
 
 The figure was generated using Python 3.10.8 and the package versions listed in [requirements.txt](./requirements.txt)
 
- 
+