docs: add missing package docs

[bobheadxi]

🎟️ Ticket(s): n/a

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👷 Changes

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🔦 Testing Instructions

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[codecov]

Codecov Report

Merging #705 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #705   +/-   ##
=======================================
  Coverage   49.29%   49.29%           
=======================================
  Files          75       75           
  Lines        3545     3545           
=======================================
  Hits         1747     1747           
  Misses       1544     1544           
  Partials      254      254           

Flag	Coverage Δ
#test-bootstrap-amazon-1	1.25% <ø> (ø)
#test-bootstrap-centos-7	1.25% <ø> (ø)
#test-bootstrap-debian-9.3	1.25% <ø> (ø)
#test-bootstrap-pull-image	1.25% <ø> (ø)
#test-bootstrap-ubuntu-16.04	1.25% <ø> (ø)
#test-bootstrap-ubuntu-18.04	1.25% <ø> (ø)
#test-core	48.89% <ø> (ø)
#test-windows	40.60% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cfg/identity.go	100.00% <ø> (ø)

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