Implement total query parameter

[Simply007]

Motivation

Fixes #86

Checklist

• [ ] Code follows coding conventions held in this repo
• [ ] Automated tests have been added
• [ ] Tests are passing
• [ ] Docs have been updated (if applicable)
• [ ] Temporary settings (e.g. variables used during development and testing) have been reverted to defaults

How to test

If manual testing is required, what are the steps?

[codecov[bot]]

Codecov Report

Merging #100 (9c2714f) into master (9407d96) will increase coverage by 0.01%. The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #100      +/-   ##
============================================
+ Coverage     98.32%   98.34%   +0.01%     
- Complexity      178      180       +2     
============================================
  Files            19       19              
  Lines           538      543       +5     
============================================
+ Hits            529      534       +5     
  Misses            9        9              

Impacted Files	Coverage Δ
src/Kentico/Kontent/Delivery/DefaultMapper.php	98.43% <100.00%> (+0.05%)	:arrow_up:
src/Kentico/Kontent/Delivery/QueryParams.php	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 9407d96...9c2714f. Read the comment docs.