feat: chained behaviors for consecutive command calls

[m-radzikowski]

Solves #17

[codecov-commenter]

Codecov Report

Merging #80 (fbf096a) into main (f82026d) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main       #80   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            6         6           
  Lines           93       116   +23     
  Branches        11        12    +1     
=========================================
+ Hits            93       116   +23     

Impacted Files	Coverage Δ
src/awsClientStub.ts	100.00% <100.00%> (ø)
test/fixtures.ts	100.00% <100.00%> (ø)

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