i18n: Add German (62%) and Spanish (29%) partial translations

[lukaw3d]

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[github-actions]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (956119b) 81.39% compared to head (b2c12a4) 81.32%.
Report is 1 commits behind head on master.

❗ Current head b2c12a4 differs from pull request most recent head fbdbc8d. Consider uploading reports for the commit fbdbc8d to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1817      +/-   ##
==========================================
- Coverage   81.39%   81.32%   -0.08%     
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  Files         192      192              
  Lines        5037     5039       +2     
  Branches      926      926              
==========================================
- Hits         4100     4098       -2     
- Misses        937      941       +4     

Flag	Coverage Δ
cypress	46.10% <ø> (ø)
jest	77.17% <100.00%> (-0.10%)	⬇️

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Files	Coverage Δ
src/locales/i18n.ts	100.00% <100.00%> (ø)

... and 2 files with indirect coverage changes

[matevz]

We can merge this and hopefully trigger German and Spanish users to improve the translation.