Internationalization + Finnish language (#181)

* I18n with next-intl

* package-lock

* Finnish translations

* Development fix

* Use locale for positioning currency symbol

* Translations: Expenses.ActiveUserModal

* Translations: group 404

* Better translation for ExpenseCard

* Apply translations in CategorySelect search

* Fix for Finnish translation

* Translations for ExpenseDocumentsInput

* Translations for CreateFromReceipt

* Fix for Finnish translation

* Translations for schema errors

* Fix for Finnish translation

* Fixes for Finnish translations

* Prettier

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Co-authored-by: Sebastien Castiel <sebastien@castiel.me>

src/app/groups/[groupId]/stats/totals-group-spending.tsx

@@ -1,4 +1,5 @@
 import { formatCurrency } from '@/lib/utils'
+import { useLocale, useTranslations } from 'next-intl'
 
 type Props = {
   totalGroupSpendings: number
@@ -6,12 +7,14 @@ type Props = {
 }
 
 export function TotalsGroupSpending({ totalGroupSpendings, currency }: Props) {
-  const balance = totalGroupSpendings < 0 ? 'earnings' : 'spendings'
+  const locale = useLocale()
+  const t = useTranslations('Stats.Totals')
+  const balance = totalGroupSpendings < 0 ? 'groupEarnings' : 'groupSpendings'
   return (
     <div>
-      <div className="text-muted-foreground">Total group {balance}</div>
+      <div className="text-muted-foreground">{t(balance)}</div>
       <div className="text-lg">
-        {formatCurrency(currency, Math.abs(totalGroupSpendings))}
+        {formatCurrency(currency, Math.abs(totalGroupSpendings), locale)}
       </div>
     </div>
   )