Guest search added 

# Guest Search 

Created guest search part.
  + Chekout  Develop branch ``` git checkout Develop ``` 
  + And then to [Guest Search](http://localhost:8000/#/guest-search) to checkout working version

## Back-end part 

  Created module ``` SearchQuizzes ``` in folder [yunakquiz/source/data-services/models]    (https://github.com/SoftServeUniversity/yunakquiz/blob/GuestSearch/source/data-service/models/searchQuizzes.rb) 
  In this module are 3 functions:
 
   + ``` dataCheck ``` for checking input data and adding status key if needed
   + ``` mainSearch ``` for main search request to db 
   + ``` withTags ``` for checks output data from checkout function and calls main search request


## Front-end part

  Created angularjs module ``` yunakQuiz.guestSearch ``` in folder [yunakquiz/source/ang-app/app/modules/guest-search]    (https://github.com/SoftServeUniversity/yunakquiz/tree/GuestSearch/source/ang-app/app/modules/guest-search) 
  + Some styles were added to app.css [yunakquiz/source/ang-app/app/app.css] (https://github.com/SoftServeUniversity/yunakquiz/blob/GuestSearch/source/ang-app/app/app.css)
  + Created  ``` guest-search-page.html ```[yunakquiz/source/ang-app/app/modules/guest-search/guest-search-page.html] (https://github.com/SoftServeUniversity/yunakquiz/blob/GuestSearch/source/ang-app/app/modules/guest-search/guest-search-page.html)
  + Created angular controller ``` SearchCtrl ``` [yunakquiz/source/ang-app/app/modules/guest-search/guest-searchCtrl.js] (https://github.com/SoftServeUniversity/yunakquiz/blob/GuestSearch/source/ang-app/app/modules/guest-search/guest-searchCtrl.js)
  + Created angular service (factory) ``` guestSearchFactory ``` [yunakquiz/source/ang-app/app/modules/guest-search/guest-searchCtrl.js](https://github.com/SoftServeUniversity/yunakquiz/blob/GuestSearch/source/ang-app/app/modules/guest-search/guest-searchCtrl.js)
  + Added ``` ngTagsInput ```,  ``` ui.bootstrap ``` modules to [app.js](https://github.com/SoftServeUniversity/yunakquiz/blob/GuestSearch/source/ang-app/app/app.js) and scripts to  [index.html](https://github.com/SoftServeUniversity/yunakquiz/blob/GuestSearch/source/ang-app/app/index.html)

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Thanks for your time and attention and awaiting for your reply. :bowtie: