Update README.md

Author: bherr2

README.md

@@ -1,2 +1,7 @@
-# sci2
+# Sci2
+
 The Science of Science (Sci2) Tool is a modular toolset specifically designed for the study of science. It supports the temporal, geospatial, topical, and network analysis and visualization of scholarly datasets at the micro (individual), meso (local), and macro (global) levels.
+
+## Homepage
+
+<https://sci2.cns.iu.edu>