C1 khloud c3 s13 add words to project

[Issue #179]

UML reviewer: @nourhanZ 
code reviewer: @adamggg 
documentation reviewer: @zoheiry 
scenario reviewer: @KareemAliRahman 
test reviewer: @zoheiry

files changed concerning story: 
controllers/projects_controller.rb
views/projects/show.html.rb
views/search/search.html.rb