npm update and adding instructions to publish a new version (#302)

Author: myyk

CONTRIBUTE.md

@@ -0,0 +1,7 @@
+# How to publish an update
+
+1. Create new branch.
+1. `npm update`
+1. `npm run-script all`
+1. If everything passes create a new pull request.
+1. After merging tag with the new version.