Created AEPViewModel class and updated sample app to use the same

[navratan-soni]

Created AEPViewModel class and updated sample app to use the same

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 15 lines in your changes missing coverage. Please review.

Project coverage is 80.11%. Comparing base (b11aa75) to head (1b7de41).

Files with missing lines	Patch %	Lines
.../aepcomposeui/viewmodel/AepContentCardViewModel.kt	52.63%	7 Missing and 2 partials ⚠️
...iewmodel/factory/AepContentCardViewModelFactory.kt	0.00%	6 Missing ⚠️

Additional details and impacted files

@@                     Coverage Diff                     @@
##             feature/content-cards     #314      +/-   ##
===========================================================
- Coverage                    80.33%   80.11%   -0.22%     
  Complexity                     799      799              
===========================================================
  Files                           78       80       +2     
  Lines                         3691     3716      +25     
  Branches                       568      571       +3     
===========================================================
+ Hits                          2965     2977      +12     
- Misses                         583      594      +11     
- Partials                       143      145       +2     

Flag	Coverage Δ
functional-tests	30.70% <0.00%> (-0.21%)	⬇️
unit-tests	79.73% <40.00%> (-0.22%)	⬇️

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