[EIR] Add Reference Content

[f-odhiambo]

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

Fixes [link to issue]

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 27.8%. Comparing base (2f8055b) to head (12fb8fb).
Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main   #3502     +/-   ##
=========================================
+ Coverage     27.2%   27.8%   +0.6%     
- Complexity     749     750      +1     
=========================================
  Files          275     275             
  Lines        13940   13779    -161     
  Branches      2532    2480     -52     
=========================================
+ Hits          3794    3839     +45     
+ Misses        9622    9403    -219     
- Partials       524     537     +13     

Flag	Coverage Δ
engine	63.9% <ø> (-0.4%)	⬇️

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see 5 files with indirect coverage changes

[pld]

Removing this, covered in features/supported domains/imm

[pld]

Removing this, covered in features/supported domains/imm