Increase thumbnail resolution

[mjh1]

No description provided.

[codecov]

Codecov Report

Merging #43 (2094188) into main (74ee792) will not change coverage.
The diff coverage is 0.00000%.

@@              Coverage Diff              @@
##                main         #43   +/-   ##
=============================================
  Coverage   16.14907%   16.14907%           
=============================================
  Files              2           2           
  Lines            161         161           
=============================================
  Hits              26          26           
  Misses           126         126           
  Partials           9           9           

Files	Coverage Δ
core/uploader.go	20.80000% <0.00000%> (ø)

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Files	Coverage Δ
core/uploader.go	20.80000% <0.00000%> (ø)