feat: add image stats to metadata

[nick-vincent]

Meant to address #377

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• I have read the contributing guidelines
• I have written new tests, as applicable (for bug fixes / features)
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⚠️ No Changeset found

Latest commit: 91da726

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.95%. Comparing base (bbfa8ca) to head (91da726).
Report is 238 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #525   +/-   ##
=======================================
  Coverage   96.95%   96.95%           
=======================================
  Files          33       33           
  Lines        1149     1151    +2     
  Branches      238      238           
=======================================
+ Hits         1114     1116    +2     
  Misses         35       35           

Flag	Coverage Δ
imagetools-core	98.72% <100.00%> (+<0.01%)	⬆️
rollup-plugin-imagetools	99.25% <ø> (ø)
vite-imagetools	85.06% <ø> (ø)

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[manucorporat]

What would take to merge this?

[benmccann]

This feels a bit difficult to use from the user's side. I think something like #662 with an option to use the dominant color would probably be more user friendly