Added discription to the readme

README.md

@@ -7,6 +7,8 @@
 [![Python](https://img.shields.io/badge/python-2.7-blue.svg)](https://www.python.org/download/releases/2.7/)
 [![Dependencies](https://img.shields.io/badge/dependencies-Abaqus%20CAE-red.svg)](https://www.3ds.com/products-services/simulia/products/abaqus/abaquscae/)
 
+Spindle FEA application is designed to employ continuous mechanics principles using the Abaqus CAE finite element code to study buckling of the mitotic spindle as a whole in various phases of mitosis.
+
 ## Installation instructions
 
 1. The application requires Abaqus CAE to be installed. It can be acquired from here: https://www.3ds.com/products-services/simulia/products/abaqus/abaquscae