Feature request: Include new locales

[DawoudIO]

Is your feature request related to a problem? Please describe.

Based on an audit or locales in POEditor, Tamil (ta), Spanish (MX) and Japanese (ja) should be part of the project now.

Running "genLocaleAudit" task
Missing Burmese (my) but has 4.29 percentage
Missing English (JM) (en-jm) but has 0.26 percentage
Missing English (ZA) (en-za) but has 3.57 percentage
Missing Hindi (hi) but has 4.97 percentage
Missing Japanese (ja) but has 10.03 percentage
Missing Korean (ko) but has 3.53 percentage
Missing Latvian (lv) but has 2.21 percentage
Missing Malayalam (ml) but has 0.72 percentage
Missing Serbian (Cyrillic) (sr-cyrl) but has 3.57 percentage
Missing Slovenian (sl) but has 4.04 percentage
Missing Spanish (MX) (es-mx) but has 5.02 percentage
Missing Spanish (SV) (es-sv) but has 1.57 percentage
Missing Tamil (ta) but has 40.77 percentage

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Additional context

[DawoudIO]

added 3 new locales in #6930