Update all translations from Crowdin

[imnasnainaec]

Draft merge tutorial video with Spanish Subtitles/CC added (alongside English): https://drive.google.com/file/d/1TvG5_tLRBLLYkGTieNt4mhvxynKMz3-y

This change is 

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.77%. Comparing base (2fff26d) to head (16c3be6).
Report is 16 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3312   +/-   ##
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  Coverage   74.77%   74.77%           
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  Files         278      278           
  Lines       10708    10708           
  Branches     1291     1291           
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  Hits         8007     8007           
  Misses       2337     2337           
  Partials      364      364           

Flag	Coverage Δ
backend	83.89% <ø> (ø)
frontend	66.79% <ø> (ø)

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[jasonleenaylor]

docs/user_guide/docs/project.es.md line 166 at r2 (raw file):

Tras pulsar el botón Exportar, puede navegar por otras partes del sitio web mientras se preparan los datos para la
descargar. When the data is gathered, the download will begin automatically. El nombre de archivo es el id del proyecto.

Funny that this lost some Spanish...

[jasonleenaylor]

Reviewed 5 of 6 files at r1, 10 of 10 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @imnasnainaec)