Cyberstorm API: add package list endpoints

[anttimaki]

Current dependencies on/for this PR:

• master
  • PR #902 👈
  • PR #906

This stack of pull requests is managed by Graphite.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (9b8eeb8) 92.30% compared to head (8c98810) 92.48%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #902 +/- ## ========================================== + Coverage 92.30% 92.48% +0.17% ========================================== Files 272 274 +2 Lines 7853 8037 +184 Branches 746 763 +17 ========================================== + Hits 7249 7433 +184 Misses 501 501 Partials 103 103 ```

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