update docs and fix make downstream

[maskarb]

• fix the downstream command
• add the downstream bundle

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

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Additional details and impacted files

@@                 Coverage Diff                  @@
##             downstream-v3.3.0     #364   +/-   ##
====================================================
  Coverage                     ?   85.90%           
====================================================
  Files                        ?       13           
  Lines                        ?     2206           
  Branches                     ?        0           
====================================================
  Hits                         ?     1895           
  Misses                       ?      226           
  Partials                     ?       85           

Flag	Coverage Δ
unittests	85.90% <ø> (?)

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