Add short description to README.md

hanslovsky · web-flow · commit 32973ca4f3ee · 2019-09-04T14:10:17.000-04:00
diff --git a/README.md b/README.md
@@ -1,2 +1,5 @@
 [![](https://travis-ci.com/scijava/scijava-repl-fx.svg?branch=master)](https://travis-ci.com/scijava/scijava-repl-fx)
 
+# SciJava REPL FX
+
+The SciJava REPL FX is a JavaFX frontend for the [SciJava `ScriptREPL`](https://github.com/scijava/scijava-common/blob/560ad964a7a1e859edd4dbe4fc48d7d9e09523f2/src/main/java/org/scijava/script/ScriptREPL.java).
