Added new categories and items.

Sugestions brought by @timoweiss (#7) and @vinz243 (#8)
Merge branch 'master' of github.com:vndmtrx/awesome-nodejs

* 'master' of github.com:vndmtrx/awesome-nodejs:
  Added new categories and items.
Revert "add new category "Build Tools / Task Runner""

This reverts commit a6736f1049b6edfd4c727f64587da5c125ab0afc.