feat(Illustration): mailbox illustration

[lisalupi]

Summary

Type

• Enhancement

Summarise concisely:

What is expected?

New illustration mailbox

[changeset-bot]

🦋 Changeset detected

Latest commit: ec82cd2

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@ultraviolet/illustrations	Patch

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (2c0b5c4) to head (ec82cd2).
⚠️ Report is 2 commits behind head on beta.

Additional details and impacted files

@@            Coverage Diff             @@
##             beta   #5738       +/-   ##
==========================================
- Coverage   91.85%       0   -91.86%     
==========================================
  Files         320       0      -320     
  Lines        7087       0     -7087     
  Branches     2843       0     -2843     
==========================================
- Hits         6510       0     -6510     
+ Misses        577       0      -577     

see 318 files with indirect coverage changes

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