chore(doi): Add DOI to README.md (#48)

Setup DOI badge from zenodo, which will update once software is released

Author: lsetiawan

README.md

@@ -3,6 +3,7 @@
 [![ssec](https://img.shields.io/badge/SSEC-Project-purple?logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAOCAQAAABedl5ZAAAACXBIWXMAAAHKAAABygHMtnUxAAAAGXRFWHRTb2Z0d2FyZQB3d3cuaW5rc2NhcGUub3Jnm+48GgAAAMNJREFUGBltwcEqwwEcAOAfc1F2sNsOTqSlNUopSv5jW1YzHHYY/6YtLa1Jy4mbl3Bz8QIeyKM4fMaUxr4vZnEpjWnmLMSYCysxTcddhF25+EvJia5hhCudULAePyRalvUteXIfBgYxJufRuaKuprKsbDjVUrUj40FNQ11PTzEmrCmrevPhRcVQai8m1PRVvOPZgX2JttWYsGhD3atbHWcyUqX4oqDtJkJiJHUYv+R1JbaNHJmP/+Q1HLu2GbNoSm3Ft0+Y1YMdPSTSwQAAAABJRU5ErkJggg==&style=plastic)](https://escience.washington.edu/wetai/)
 [![MIT License](https://badgen.net/badge/license/MIT/blue)](LICENSE)
 [![Documentation Status](https://readthedocs.org/projects/braingeneers/badge/?version=latest)](https://braingeneers.readthedocs.io/en/latest/?badge=latest)
+[![DOI](https://zenodo.org/badge/166130153.svg)](https://zenodo.org/badge/latestdoi/166130153)
 
 ## Getting Started