Update mode.properties

Author: Stefterv

p5js/library/mode.properties

@@ -1,8 +1,8 @@
-name=p5.js Mode
+name=p5.js Mode (Electron)
 category=Unknown
 authors=[The Processing Foundation](https://processingfoundation.org/)
 url=https://github.com/processing/processing-p5.js-mode
-sentence=P5.js Mode for Processing
+sentence=create p5.js sketches within Processing using the Electron framework
 paragraph=
 version=1
 prettyVersion=1