feat(themes): add chocomonkey theme

[Garu006]

Description

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.
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Closes #

[github-actions]

Hey there and thank you for opening this pull request! 👋🏼

We require pull request titles to follow the Conventional Commits specification and also include the author name at the end inside parenthesis. It looks like your proposed title needs to be adjusted.

Details:

Title "feat(themes): add chocomonkey theme"
didn't match the configured pattern. Please ensure that the title
contains your name so that you can be credited in our changelog.

A correct version would look something like:

feat: add new feature (@github_username)
impr(quotes): add english quotes (@username)
fix(leaderboard): show user rank correctly (@user1, @user2, @user3)

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Adds a new UI theme named chocomonkey and wires it through the schema and frontend theme sources.

Changes:

• Added chocomonkey to the ThemeNameSchema enum
• Added chocomonkey theme constants (bg/main/sub/text) to the frontend theme registry
• Introduced a new static CSS theme file defining the theme’s CSS variables

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
packages/schemas/src/themes.ts	Registers chocomonkey as a valid theme name in the schema enum
frontend/static/themes/chocomonkey.css	Adds CSS custom properties for the new theme
frontend/src/ts/constants/themes.ts	Adds the theme color palette to the themes record

[fehmer]

the list is ordered by date added

[github-actions]

Continuous integration check(s) failed. Please review the failing check's logs and make the necessary changes.