chore(Card): align card implementation to design

[booc0mtaco]

• support for draggable
• update values for container style and color
• add stories for draggable, and nested cards

Test Plan:

• Wrote automated tests
• CI tests / new tests are not applicable
• Manually tested my changes, but I want to keep the details secret
• Created and used an alpha publish
• Manually tested my changes, and here are the details:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.72%. Comparing base (f91f9ba) to head (0a461e4).

Additional details and impacted files

@@                  Coverage Diff                   @@
##           v15-components-2.0    #1922      +/-   ##
======================================================
+ Coverage               96.70%   96.72%   +0.01%     
======================================================
  Files                     129      129              
  Lines                    3312     3329      +17     
  Branches                  901      904       +3     
======================================================
+ Hits                     3203     3220      +17     
  Misses                    106      106              
  Partials                    3        3              

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