@thunderstore/cyberstorm: show markdown contents on package detail view

[anttimaki]

README will be shown as the main content on "Details" tab upon page load.

User can view the CHANGELOG on "Changelog" tab by navigating to it. This content is loaded only upon request.

Refs TS-2000

[anttimaki]

Current dependencies on/for this PR:

• master
  • PR #949
  • PR #979
    • PR #950
    • PR #951
      • PR #952
      • PR #953
        • PR #956
        • PR #964
          • PR #965
          • PR #966
            • PR #967 👈
            • PR #969
              • PR #970
              • PR #971
                • PR #972
                • PR #973
                  • PR #974
                  • PR #975

This stack of pull requests is managed by Graphite.