feat: add multi-image embeds

[kyranet]

Logs (before and after)	Snipe

[codecov]

Codecov Report

Attention: 21 lines in your changes are missing coverage. Please review.

Comparison is base (5e5e329) 88.47% compared to head (9b9dddc) 87.95%.

Files	Patch %	Lines
src/lib/util/util.ts	48.78%	20 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2568      +/-   ##
==========================================
- Coverage   88.47%   87.95%   -0.52%     
==========================================
  Files          91       91              
  Lines        3617     3629      +12     
  Branches      199      206       +7     
==========================================
- Hits         3200     3192       -8     
- Misses        411      433      +22     
+ Partials        6        4       -2     

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