feat: TT-224 Create a general service for Feature Toggle and its unit tests

[VanessaIniguez]

Create a general service for Feature Toggle and reused in different Components.

[codecov]

Codecov Report

Merging #667 (a0a179b) into master (13de42e) will increase coverage by 1.28%.
The diff coverage is 95.92%.

❗ Current head a0a179b differs from pull request most recent head e7bcb04. Consider uploading reports for the commit e7bcb04 to get more accurate results

@@            Coverage Diff             @@
##           master     #667      +/-   ##
==========================================
+ Coverage   93.09%   94.37%   +1.28%     
==========================================
  Files          85      104      +19     
  Lines        1564     1991     +427     
  Branches      107      139      +32     
==========================================
+ Hits         1456     1879     +423     
- Misses         67       73       +6     
+ Partials       41       39       -2     

Impacted Files	Coverage Δ
...r-management/store/customer-management.reducers.ts	86.95% <ø> (ø)
...nents/time-range-form/time-range-form.component.ts	100.00% <ø> (ø)
...time-entries-table/time-entries-table.component.ts	61.90% <60.00%> (+6.34%)	⬆️
src/app/modules/user/store/user.reducer.ts	62.50% <62.50%> (ø)
src/app/modules/user/services/user-info.service.ts	66.66% <66.66%> (ø)
src/app/modules/user/services/user.service.ts	75.00% <75.00%> (ø)
...dules/time-entries/pages/time-entries.component.ts	85.33% <82.60%> (+2.52%)	⬆️
.../components/entry-fields/entry-fields.component.ts	93.15% <89.47%> (-6.85%)	⬇️
...app/modules/login/services/azure.ad.b2c.service.ts	80.00% <92.30%> (-2.36%)	⬇️
...les/shared/components/sidebar/sidebar.component.ts	90.62% <95.83%> (+1.73%)	⬆️
... and 65 more

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[thegreatyamori]

Great Job !! 🎊