Rename project branding from "Kyoo" to "Omnyx" across README, index.html, metadata.json, typedoc and various UI components. Add support for page-level settings: pageTitle, favicon (Base64 upload/preview), and customColors (color scheme) — introduced CustomColors type, persisted via API types and converters, and wired into updateSettings/fetchSettings flows. UI: SettingsView adds page settings UI (upload, preview, color pickers) and handlers; App applies pageTitle, favicon and sets CSS variables for customColors; Sidebar and Header now display the configured page title. Also update importer modules and docs to use the new project name in logs/comments.
Set up testing with Vitest and jsdom and add unit tests for importers (jellyfin, playnite, stashapp, xbvr). Add typedoc configuration and update vite.config.ts and importer source files to support the tests. Ignore generated docs by adding /docs to .gitignore and add test-related devDependencies (vitest, @vitest/ui, jsdom, typedoc) in package.json.
