feat(lang): add amharic_1k and amharic_5k (@akuna444)

[Akuna444]

Description

Checks

• [ ] Adding quotes?
  • [ ] Make sure to include translations for the quotes in the description (or another comment) so we can verify their content.
• [ ] Adding a language or a theme?
  • [x] If is a language, did you edit _list.json, _groups.json and add languages.json?
  • [ ] If is a theme, did you add the theme.css?
    • Also please add a screenshot of the theme, it would be extra awesome if you do so!
• [x] Check if any open issues are related to this PR; if so, be sure to tag them below.
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• [x] Make sure to include your GitHub username prefixed with @ inside parentheses at the end of the PR title.

Closes #

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