Support for VOD thumbnails

[mjh1]

Plus refactored the outputLocations function a little to reduce the repetition and growing param list.

[codecov]

Codecov Report

Merging #223 (6122d6a) into main (d8fa8b6) will decrease coverage by 0.19327%.
The diff coverage is 40.42553%.

@@                 Coverage Diff                 @@
##                main        #223         +/-   ##
===================================================
- Coverage   17.82229%   17.62902%   -0.19327%     
===================================================
  Files             16          16                 
  Lines           1947        1957         +10     
===================================================
- Hits             347         345          -2     
- Misses          1575        1587         +12     
  Partials          25          25                 

Files	Coverage Δ
clients/catalyst.go	84.14634% <ø> (ø)
task/upload.go	16.74419% <40.42553%> (-0.57864%)	⬇️

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Files	Coverage Δ
clients/catalyst.go	84.14634% <ø> (ø)
task/upload.go	16.74419% <40.42553%> (-0.57864%)	⬇️

[victorges]

LGTM, nice refact 🙏
Comments are all nits/style, feel free to merge as is.