Make the cli available as a snap

[simskij]

Given how good and easy the CLI has become to use, it only makes sense for it to also be available as a snap on the snapstore. I've gone ahead and registered the snap name already and published a revision on the stable track.

This PR moves the ownership of the snap packing spec to the containrrr team.

Snapstore Entry

[codecov]

Codecov Report

Base: 78.75% // Head: 78.75% // No change to project coverage 👍

Coverage data is based on head (cc48b8e) compared to base (d326917).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #304   +/-   ##
=======================================
  Coverage   78.75%   78.75%           
=======================================
  Files          97       97           
  Lines        4279     4279           
=======================================
  Hits         3370     3370           
  Misses        738      738           
  Partials      171      171           

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[simskij]

In the scope of this PR, Im taking zero responsibility for the codacy check failing. 😅 EDIT: Ok I do, and the dollar sign warning for markdown shell codeblocks has now been disabled.