feat(falukant): add scandalExtraDailyPct field and update related components

- Introduced a new field `scandalExtraDailyPct` in the relationship state model to track additional scandal risk per day, with validation constraints.
- Updated the FalukantService to include the new field in relevant calculations and data handling.
- Enhanced the frontend components, including RevenueSection and FamilyView, to display the scandal risk information and updated price calculations.
- Added localization entries for the new field in multiple languages to ensure clarity for users.

frontend/src/views/falukant/FamilyView.vue

@@ -397,6 +397,10 @@
                                 <dt>{{ $t('falukant.family.lovers.maintenance') }}</dt>
                                 <dd>{{ lover.maintenanceLevel }}</dd>
                             </div>
+                            <div>
+                                <dt>{{ $t('falukant.family.lovers.scandalExtraDailyPct') }}</dt>
+                                <dd>{{ Number(lover.scandalExtraDailyPct || 0).toFixed(1) }}%</dd>
+                            </div>
                             <div>
                                 <dt>{{ $t('falukant.family.lovers.monthlyCost') }}</dt>
                                 <dd>