feat(lang): add Lao language (@allyLee86)

[allyLee86]

Description

Add Lao language (ພາສາລາວ)

Changes

• Added frontend/static/languages/lao.json with 500 common Lao words
• Added lao to LanguageSchema enum in packages/schemas/src/languages.ts

Language details

• Name: Lao (ພາສາລາວ)
• BCP47 tag: lo
• Script: Lao script (Unicode block U+0E80–U+0EFF)
• Direction: Left to right
• Ligatures: No
• Ordered by frequency: No

Checks

• Adding quotes?
  • Make sure to follow the quotes documentation
  • Make sure to include translations for the quotes in the description (or another comment) so we can verify their content.
• Adding a language?
  • Make sure to follow the languages documentation
  • Add language to packages/schemas/src/languages.ts
  • Add language to exactly one group in frontend/src/ts/constants/languages.ts
  • Add language json file to frontend/static/languages
• Adding a theme?
  • Make sure to follow the themes documentation
  • Add theme to packages/schemas/src/themes.ts
  • Add theme to frontend/src/ts/constants/themes.ts
  • (optional) Add theme css file to frontend/static/themes
  • Add some screenshots of the theme, especially with different test settings (colorful, flip colors) to your pull request
• Adding a layout?
  • Make sure to follow the layouts documentation
  • Add layout to packages/schemas/src/layouts.ts
  • Add layout json file to frontend/static/layouts
• Adding a font?
  • Make sure to follow the fonts documentation
  • Add font file to frontend/static/webfonts
  • Add font to packages/schemas/src/fonts.ts
  • Add font to frontend/src/ts/constants/fonts.ts
• Check if any open issues are related to this PR; if so, be sure to tag them below.
• Make sure the PR title follows the Conventional Commits standard. (https://www.conventionalcommits.org for more info)
• Make sure to include your GitHub username prefixed with @ inside parentheses at the end of the PR title.

Notes

Lao is the official language of the Lao PDR with approximately 7 million native speakers. There is currently no Lao option in Monkeytype — this adds basic support for the community.

Happy to adjust word count, fix any issues, or split into separate PRs if needed!

Closes #

[github-actions]

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