Add ability to describe virtual private gateways

[andrewmichael]

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[codecov-io]

Codecov Report

Merging #302 into develop will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff           @@
##           develop   #302   +/-   ##
======================================
  Coverage      100%   100%           
======================================
  Files           25     25           
  Lines         1896   1901    +5     
  Branches       293    293           
======================================
+ Hits          1896   1901    +5

Impacted Files	Coverage Δ
awslimitchecker/services/vpc.py	100% <100%> (ø)	⬆️

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[jantman]

@andrewmichael This looks great, thanks so much! I should be merging it sometime in the next 24 or 48 hours, and then cutting the 1.0.0 release.

[jantman]

Integration tests passed on latest commit.

[jantman]

Thanks so much, @andrewmichael ! Hopefully a release will be coming out in the next day or two.