Add Processing2JS tool to contributions.

Author: prisonerjohn

contrib_generate/sources.conf

@@ -1,4 +1,4 @@
-# Next ID: 263
+# Next ID: 264
 # Increment after assigning ID to new contribution
 
 [Library : 3D]
@@ -332,6 +332,7 @@
 233 \ https://github.com/jaewhyun/GettingStarted/releases/download/latest/GettingStarted.txt
 234 \ https://github.com/jaewhyun/ReferenceTool/releases/download/latest/ReferenceTool.txt
 242 \ https://jwilder4690.github.io/tools/ArtStation/ArtStation.txt
+263 \ http://jonathan.dahlberg.media/processing2js/Processing2JSTool.txt
 
 [Mode : ]
 070 \ http://bezier.de/processing/modes/CoffeeScriptMode.txt