Fixing bug with mark as read route

* Was initially taking feed id, then wasn't. Had caused a Bug. Fixed!
Preparing initial UI
Initial working of Rsswala ui! :clap:

* Thank you :boy: @raghothams :+1: :smile:
* Bloody AngularJS so "D"isruptive (vishal sikka style) :older_man:
Wrapping content in controller

* Remember, to use the app you need to have logged in via the api
Augmenting README

* Adding ideation stage
* Changing authors to contributors
Basic UI up! Updating TODOs
Moving TODOs as issues