feat: display proxy urls

[shazron]

Fixes #30

via HTTP_PROXY, HTTPS_PROXY environment variables.

How Has This Been Tested?

.bin/run info
HTTP_PROXY=http://foo.bar .bin/run info
HTTPS_PROXY=https://bar.foo .bin/run info
HTTP_PROXY=http://foo.bar HTTPS_PROXY=https://bar.foo .bin/run info

Screenshots (if appropriate):

Not set:

Proxies set:

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #28 (289c986) into master (d6b647c) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master       #28   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines           74        82    +8     
  Branches        12        14    +2     
=========================================
+ Hits            74        82    +8     

Impacted Files	Coverage Δ
src/commands/info.js	100.00% <100.00%> (ø)

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