✨ [REST API] Added "askTotalCount" parameter for tags api

[Agnul97]

Similarly as we have for devices and other APIs, query parameter askTotalCount, boolean, has been added to provide capability to count total number of tags present in db

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 16.80%. Comparing base (4af4e52) to head (7337ba6).
Report is 3 commits behind head on develop.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #4078      +/-   ##
=============================================
- Coverage      16.81%   16.80%   -0.02%     
  Complexity        22       22              
=============================================
  Files           2011     2011              
  Lines          52262    52282      +20     
  Branches        4401     4403       +2     
=============================================
- Hits            8789     8787       -2     
- Misses         43076    43097      +21     
- Partials         397      398       +1     

Files	Coverage Δ
...pse/kapua/app/api/resources/v1/resources/Tags.java	0.00% <0.00%> (ø)

... and 11 files with indirect coverage changes