docs(aws-cdk): technical and conceptual flowcharts for deploy

[9pace]

Publish diagrams that illustrate the CDK deployment process at two levels of detail. The first diagram provides a conceptual overview suitable for understanding the high-level flow, while the second diagram shows the technical implementation details for contributors working on the CDK codebase.

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.04%. Comparing base (75b8256) to head (73e4fd3).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #920      +/-   ##
==========================================
+ Coverage   83.23%   84.04%   +0.81%     
==========================================
  Files          71       71              
  Lines       10396    10401       +5     
  Branches     1306     1318      +12     
==========================================
+ Hits         8653     8742      +89     
+ Misses       1705     1621      -84     
  Partials       38       38              

Flag	Coverage Δ
suite.unit	84.04% <ø> (+0.81%)	⬆️

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[mrgrain]

@9pace Love this 😍

Only thing is that this is a user facing README and I don't think this level of detail is needed or useful for them. In particular the part where the chart documents internal function calls.

Can you find a different place for it?