feat(finance): implement project finance and rate card management features

- Added new controllers for managing project finance and rate cards, including CRUD operations for rate card roles and project finance tasks.
- Introduced API routes for project finance and rate card functionalities, enhancing the backend structure.
- Developed frontend components for displaying and managing project finance data, including a finance drawer and rate card settings.
- Enhanced localization files to support new UI elements and ensure consistency across multiple languages.
- Implemented utility functions for handling man-days and financial calculations, improving overall functionality.

worklenz-frontend/public/locales/en/settings/ratecard-settings.json

@@ -0,0 +1,52 @@
+{
+  "nameColumn": "Name",
+  "createdColumn": "Created",
+  "noProjectsAvailable": "No projects available",
+  "deleteConfirmationTitle": "Are you sure you want to delete this rate card?",
+  "deleteConfirmationOk": "Yes, delete",
+  "deleteConfirmationCancel": "Cancel",
+  "searchPlaceholder": "Search rate cards by name",
+  "createRatecard": "Create Rate Card",
+  "editTooltip": "Edit rate card",
+  "deleteTooltip": "Delete rate card",
+  "fetchError": "Failed to fetch rate cards",
+  "createError": "Failed to create rate card",
+  "deleteSuccess": "Rate card deleted successfully",
+  "deleteError": "Failed to delete rate card",
+
+  "jobTitleColumn": "Job title",
+  "ratePerHourColumn": "Rate per hour",
+  "ratePerDayColumn": "Rate per day",
+  "ratePerManDayColumn": "Rate per man day",
+  "saveButton": "Save",
+  "addRoleButton": "Add Role",
+  "createRatecardSuccessMessage": "Rate card created successfully",
+  "createRatecardErrorMessage": "Failed to create rate card",
+  "updateRatecardSuccessMessage": "Rate card updated successfully",
+  "updateRatecardErrorMessage": "Failed to update rate card",
+  "currency": "Currency",
+  "actionsColumn": "Actions",
+  "addAllButton": "Add All",
+  "removeAllButton": "Remove All",
+  "selectJobTitle": "Select job title",
+  "unsavedChangesTitle": "You have unsaved changes",
+  "unsavedChangesMessage": "Do you want to save your changes before leaving?",
+  "unsavedChangesSave": "Save",
+  "unsavedChangesDiscard": "Discard",
+  "ratecardNameRequired": "Rate card name is required",
+  "ratecardNamePlaceholder": "Enter rate card name",
+  "noRatecardsFound": "No rate cards found",
+  "loadingRateCards": "Loading rate cards...",
+  "noJobTitlesAvailable": "No job titles available",
+  "noRolesAdded": "No roles added yet",
+  "createFirstJobTitle": "Create First Job Title",
+  "jobRolesTitle": "Job Roles",
+  "noJobTitlesMessage": "Please create job titles first in the Job Titles settings before adding roles to rate cards.",
+  "createNewJobTitle": "Create New Job Title",
+  "jobTitleNamePlaceholder": "Enter job title name",
+  "jobTitleNameRequired": "Job title name is required",
+  "jobTitleCreatedSuccess": "Job title created successfully",
+  "jobTitleCreateError": "Failed to create job title",
+  "createButton": "Create",
+  "cancelButton": "Cancel"
+}