Docs: update license section (reduxjs#1368)

jamesgeorge007 · timdorr · commit 4b9cecefde7b · 2019-08-01T15:23:03.000-04:00
made license section point to the respective file
diff --git a/README.md b/README.md
@@ -46,4 +46,4 @@ Enjoy!
 
 ## License
 
-MIT
+[MIT](LICENSE.md)
