Add a flavor for the WHO EIR reference app

[owais-vd]

IMPORTANT: Where possible all PRs must be linked to a Github issue

Fixes #2690

Engineer Checklist

• I have written Unit tests for any new feature(s) and edge cases for bug fixes
• I have added any strings visible on UI components to the strings.xml file
• I have updated the CHANGELOG.md file for any notable changes to the codebase
• I have run ./gradlew spotlessApply and ./gradlew spotlessCheck to check my code follows the project's style guide
• I have built and run the FHIRCore app to verify my change fixes the issue and/or does not break the app
• I have checked that this PR does NOT introduce breaking changes that require an update to Content and/or Configs? If it does add a sample here or a link to exactly what changes need to be made to the content.

Code Reviewer Checklist

• I have verified Unit tests have been written for any new feature(s) and edge cases
• I have verified any strings visible on UI components are in the strings.xml file
• I have verifed the CHANGELOG.md file has any notable changes to the codebase
• I have verified the solution has been implemented in a configurable and generic way for reuseable components
• I have built and run the FHIRCore app to verify the change fixes the issue and/or does not break the app

[owais-vd]

@AngelaKabari i've added temporary app icon but require actual icon for this PR cc: @dubdabasoduba

[codecov]

Codecov Report

Merging #2696 (253b903) into main (ad3a737) will increase coverage by 0.6%.
Report is 29 commits behind head on main.
The diff coverage is 64.1%.

@@            Coverage Diff            @@
##              main   #2696     +/-   ##
=========================================
+ Coverage     64.5%   65.1%   +0.6%     
- Complexity    1075    1100     +25     
=========================================
  Files          218     220      +2     
  Lines         9635    9805    +170     
  Branches      1897    1952     +55     
=========================================
+ Hits          6218    6388    +170     
+ Misses        2234    2171     -63     
- Partials      1183    1246     +63     

Flag	Coverage Δ
engine	72.7% <70.4%> (+<0.1%)	⬆️
geowidget	65.3% <20.0%> (+1.0%)	⬆️
quest	59.9% <62.6%> (+1.0%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
...rcore/engine/util/extension/BigDecimalExtension.kt	0.0% <0.0%> (ø)
...ore/engine/util/helper/TransformSupportServices.kt	80.0% <0.0%> (-2.8%)	⬇️
...est/data/report/measure/MeasureReportRepository.kt	66.6% <0.0%> (-1.6%)	⬇️
...ster/fhircore/quest/ui/profile/ProfileViewModel.kt	44.1% <0.0%> (-1.8%)	⬇️
...quest/ui/report/measure/MeasureReportMainScreen.kt	0.0% <0.0%> (ø)
...rt/measure/models/MeasureReportPopulationResult.kt	25.0% <0.0%> (-12.5%)	⬇️
...fhircore/quest/ui/appsetting/AppSettingActivity.kt	42.8% <14.2%> (-5.6%)	⬇️
...er/fhircore/geowidget/screens/GeoWidgetFragment.kt	36.6% <20.0%> (+2.4%)	⬆️
...ircore/engine/configuration/QuestionnaireConfig.kt	61.0% <30.0%> (-6.4%)	⬇️
...smartregister/fhircore/engine/task/FhirTaskUtil.kt	84.0% <33.3%> (-2.2%)	⬇️
... and 19 more

... and 3 files with indirect coverage changes

[f-odhiambo]

Potential duplicate to #2690

cc @owais-vd @dubdabasoduba @AngelaKabari

[dubdabasoduba]

Potential duplicate to #2690

cc @owais-vd @dubdabasoduba @AngelaKabari

@f-odhiambo this is the PR to the mentioned issue.