i18n(finance): add namespace JSONs (de/en/es/fr/it)

Adds page sub-namespace covering page title, summary cards (Einnahmen/
Ausgaben/Bilanz), category breakdown + transactions sections, and add
form (type toggle, amount/description placeholders, submit/cancel).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/mana/apps/web/src/lib/i18n/locales/finance/de.json

@@ -0,0 +1,19 @@
+{
+	"page": {
+		"title": "Finance",
+		"page_title_html": "Finance - Mana",
+		"loading": "Laden...",
+		"summary_income": "Einnahmen",
+		"summary_expenses": "Ausgaben",
+		"summary_balance": "Bilanz",
+		"section_by_category": "Ausgaben nach Kategorie",
+		"section_transactions": "Transaktionen",
+		"action_cancel": "Abbrechen",
+		"action_add_transaction": "+ Transaktion hinzufügen",
+		"type_expense": "Ausgabe",
+		"type_income": "Einnahme",
+		"placeholder_amount": "0,00",
+		"placeholder_description": "Beschreibung...",
+		"action_submit": "Hinzufügen"
+	}
+}

apps/mana/apps/web/src/lib/i18n/locales/finance/en.json

@@ -0,0 +1,19 @@
+{
+	"page": {
+		"title": "Finance",
+		"page_title_html": "Finance - Mana",
+		"loading": "Loading…",
+		"summary_income": "Income",
+		"summary_expenses": "Expenses",
+		"summary_balance": "Balance",
+		"section_by_category": "Expenses by category",
+		"section_transactions": "Transactions",
+		"action_cancel": "Cancel",
+		"action_add_transaction": "+ Add transaction",
+		"type_expense": "Expense",
+		"type_income": "Income",
+		"placeholder_amount": "0.00",
+		"placeholder_description": "Description…",
+		"action_submit": "Add"
+	}
+}

apps/mana/apps/web/src/lib/i18n/locales/finance/es.json

@@ -0,0 +1,19 @@
+{
+	"page": {
+		"title": "Finance",
+		"page_title_html": "Finance - Mana",
+		"loading": "Cargando…",
+		"summary_income": "Ingresos",
+		"summary_expenses": "Gastos",
+		"summary_balance": "Balance",
+		"section_by_category": "Gastos por categoría",
+		"section_transactions": "Transacciones",
+		"action_cancel": "Cancelar",
+		"action_add_transaction": "+ Añadir transacción",
+		"type_expense": "Gasto",
+		"type_income": "Ingreso",
+		"placeholder_amount": "0,00",
+		"placeholder_description": "Descripción…",
+		"action_submit": "Añadir"
+	}
+}

apps/mana/apps/web/src/lib/i18n/locales/finance/fr.json

@@ -0,0 +1,19 @@
+{
+	"page": {
+		"title": "Finance",
+		"page_title_html": "Finance - Mana",
+		"loading": "Chargement…",
+		"summary_income": "Revenus",
+		"summary_expenses": "Dépenses",
+		"summary_balance": "Solde",
+		"section_by_category": "Dépenses par catégorie",
+		"section_transactions": "Transactions",
+		"action_cancel": "Annuler",
+		"action_add_transaction": "+ Ajouter une transaction",
+		"type_expense": "Dépense",
+		"type_income": "Revenu",
+		"placeholder_amount": "0,00",
+		"placeholder_description": "Description…",
+		"action_submit": "Ajouter"
+	}
+}

apps/mana/apps/web/src/lib/i18n/locales/finance/it.json

@@ -0,0 +1,19 @@
+{
+	"page": {
+		"title": "Finance",
+		"page_title_html": "Finance - Mana",
+		"loading": "Caricamento…",
+		"summary_income": "Entrate",
+		"summary_expenses": "Uscite",
+		"summary_balance": "Saldo",
+		"section_by_category": "Uscite per categoria",
+		"section_transactions": "Transazioni",
+		"action_cancel": "Annulla",
+		"action_add_transaction": "+ Aggiungi transazione",
+		"type_expense": "Uscita",
+		"type_income": "Entrata",
+		"placeholder_amount": "0,00",
+		"placeholder_description": "Descrizione…",
+		"action_submit": "Aggiungi"
+	}
+}