feat(political-office): enhance political office benefits and salary computation

- Added a new hierarchyLevel field to PoliticalOfficeType for better categorization of political roles.
- Updated computePoliticalDailySalaryPayout function to incorporate hierarchy level in salary calculations, allowing for more dynamic salary adjustments based on office rank.
- Modified SQL scripts to reflect changes in political office benefits, ensuring compatibility with the new salary structure.
- Enhanced localization files to support updated benefit descriptions and salary formats across multiple languages.
- Improved UI components to display the new salary calculations and benefits accurately in the PoliticsView.

backend/models/falukant/type/political_office_type.js

@@ -17,10 +17,18 @@ PoliticalOfficeType.init({
   regionType: {
     type: DataTypes.STRING,
     allowNull: false},
-  termLength: {                
+  termLength: {
     type: DataTypes.INTEGER,
     allowNull: false,
-    defaultValue: 0}}, {
+    defaultValue: 0},
+  /** Stufe für Tageshonorar (base + perRank × level) und Sortierung; 1 = niedrigstes politisches Level */
+  hierarchyLevel: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 1,
+    field: 'hierarchy_level'
+  }
+}, {
   sequelize,
   modelName: 'PoliticalOfficeType',
   tableName: 'political_office_type',