feat: add setting to enable employee checkin for mobile app

[vinyselopal]

Description: Adding an HR setting to enable check-in from the mobile app. It is enabled by default. Use case: In case of having an alternative check-in system such as Biometrics. docs: https://frappehr.com/docs/v14/en/hr-settings#6-mobile-settings Closes #1413

[krantheman]

Maybe there should be a mobile app settings section

[ruchamahabal]

Fix conflicts and update screenshots too

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 72.80%. Comparing base (b48cdcc) to head (5229798). Report is 10 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1569      +/-   ##
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- Coverage    72.83%   72.80%   -0.03%     
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  Files          202      202              
  Lines        11169    11173       +4     
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  Hits          8135     8135              
- Misses        3034     3038       +4     

Files	Coverage Δ
hrms/api/__init__.py	0.00% <0.00%> (ø)