add lucide-react dependency and update form handling in MainForm

- Added lucide-react to package dependencies
- Refactored MainForm to improve form handling and user selection
- Removed SuccessPage component and related logic
- Updated localization files to include new keys for invoice details
- Created interfaces for form data and messages

frontend/src/config/interfaces.config.ts

@@ -0,0 +1,21 @@
+export interface FormData {
+  firstName: string;
+  lastName: string;
+  email: string;
+  phoneNumber: string;
+  tickets: number;
+  companyName: string;
+  cmpFirstName: string;
+  cpmLastName: string;
+  cpmEmail: string;
+  cpmPhoneNumber: string;
+  street: string;
+  postalCode: string;
+  paymentMethod: string;
+}
+
+export interface Message {
+  type: "primary" | "neutral" | "danger" | "success" | "warning";
+  headline: string;
+  text: string;
+}