Updated the overall project structure

Updated the overall project structure based on the below URL’s.

http://www.johnpapa.net/angular-growth-structure/

https://docs.google.com/document/d/1XXMvReO8-Awi1EZXAXS4PzDzdNvV6pGcuaF4
Q9821Es/pub

http://www.artandlogic.com/blog/2013/05/ive-been-doing-it-wrong-part-1-o
f-3/