Add flag config utility for converting API params to CLI flags

[childish-sambino]

No description provided.

[codecov]

Codecov Report

Merging #110 into master will increase coverage by <.01%.
The diff coverage is 94.11%.

@@            Coverage Diff             @@
##           master     #110      +/-   ##
==========================================
+ Coverage   98.47%   98.48%   +<.01%     
==========================================
  Files          26       27       +1     
  Lines         789      793       +4     
==========================================
+ Hits          777      781       +4     
  Misses         12       12

Impacted Files	Coverage Δ
src/services/twilio-api/index.js	100% <100%> (ø)	⬆️
src/services/twilio-api/get-flag-config.js	100% <100%> (ø)
src/base-commands/twilio-api-command.js	97.61% <85.71%> (-0.3%)	⬇️

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