#112 update README

[enriquezrene]

Update README with the required instructions after integrating stryker

[codecov]

Codecov Report

Merging #113 into master will decrease coverage by 1.12%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #113      +/-   ##
==========================================
- Coverage   92.69%   91.57%   -1.13%     
==========================================
  Files          37       37              
  Lines         356      356              
  Branches       20       20              
==========================================
- Hits          330      326       -4     
- Misses         22       26       +4     
  Partials        4        4              

Impacted Files	Coverage Δ
...modules/shared/components/clock/clock.component.ts	58.33% <0.00%> (-33.34%)	⬇️

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