adding the use command and the active projects column to the list com…

[JenniferMah]

…mand

Fixes

Checklist

• I have made a material change to the repo (functionality, testing, spelling, grammar)
• I updated my branch with the master branch.
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation about the functionality in the appropriate .md file
• I have added in line documentation to the code I modified

Contributing to Twilio

All third party contributors acknowledge that any contributions they provide will be made under the same open source license that the open source project is provided under.

Short description of what this PR does:

• Adds the use command giving users the ability to specify which project they want to use.
• Adds an active column that displays which project is active

If you have questions, please file a support ticket, or create a Github Issue in this repository.

[codecov]

Codecov Report

Merging #28 into master will increase coverage by 0.05%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #28      +/-   ##
==========================================
+ Coverage   98.36%   98.42%   +0.05%     
==========================================
  Files          21       22       +1     
  Lines         551      570      +19     
==========================================
+ Hits          542      561      +19     
  Misses          9        9

Impacted Files	Coverage Δ
src/commands/project/use.js	100% <100%> (ø)
src/commands/project/list.js	100% <100%> (ø)	⬆️
src/commands/project/add.js	97.82% <100%> (-0.03%)	⬇️

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[childish-sambino]

+1