Do not include docs folder on release

Sergi Almacellas Abellana · Sergi Almacellas Abellana · commit 9315247fda5b · 2018-08-01T10:24:22.000+02:00
The docs increase the release size from 40Kb to 13MB, which I think it's
to much.
diff --git a/.npmignore b/.npmignore
@@ -1,3 +1,4 @@
 _gitignore/
 bower_components/
-node_modules/
+node_modules/
+docs/
