added documentation as a category (#476)
added documentation as a category (#476)

* added documentation as a category

* Update PULL_REQUEST_TEMPLATE.md

rstoenescu/quasar-site,rstoenescu/quasar-site,quasarframework/quasar-framework.org,quasarframework/quasar-framework.org,rstoenescu/quasar-site,quasarframework/quasar-framework.org