feat: add server settings for default board, default color scheme and default locale (#1373)

* feat: add server settings for default board, default color scheme and default locale

* chore: address pull request feedback

* test: adjust unit tests to match requirements

* fix: deepsource issue

* chore: add deepsource as dependency to translation library

* refactor: restructure language-combobox, adjust default locale for next-intl

* chore: change cookie keys prefix from homarr- to homarr.

packages/ui/src/components/index.tsx

@@ -3,6 +3,7 @@ export { OverflowBadge } from "./overflow-badge";
 export { SearchInput } from "./search-input";
 export * from "./select-with-description";
 export * from "./select-with-description-and-badge";
+export { SelectWithCustomItems } from "./select-with-custom-items";
 export { TablePagination } from "./table-pagination";
 export { TextMultiSelect } from "./text-multi-select";
 export { UserAvatar } from "./user-avatar";