Updated README.md for pip install

Author: msbentley

README.md

@@ -14,6 +14,14 @@ The following dependencies must be met:
 
 ## Installation
 
+### pip
+
+```pip install mustlink```
+
+should do the job, although creating a dedicated environment is recommended (see below).
+
+### conda
+
 First, clone this repository. If you are using conda, the dependencies can be installed in a new environment using the provided environment file:
 
 ```conda env create -f environment.yml```