feat: Setup project with Vite and React

Initializes the Condopay frontend project using Vite, React, and TypeScript. Includes basic project structure, dependencies, and configuration for Tailwind CSS and React Router.

types.ts

@@ -0,0 +1,50 @@
+export interface Family {
+  id: string;
+  name: string;
+  unitNumber: string; // Internal apartment number
+  contactEmail?: string;
+  balance: number; // Calculated balance (positive = credit, negative = debt)
+}
+
+export interface Payment {
+  id: string;
+  familyId: string;
+  amount: number;
+  datePaid: string; // ISO Date string
+  forMonth: number; // 1-12
+  forYear: number;
+  notes?: string;
+}
+
+export interface AppSettings {
+  defaultMonthlyQuota: number;
+  condoName: string;
+  currentYear: number; // The active fiscal year
+}
+
+export enum PaymentStatus {
+  PAID = 'PAID',
+  UNPAID = 'UNPAID', // Past due
+  UPCOMING = 'UPCOMING', // Future
+  PENDING = 'PENDING'
+}
+
+export interface MonthStatus {
+  monthIndex: number; // 0-11
+  status: PaymentStatus;
+  payment?: Payment;
+}
+
+export interface User {
+  id: string;
+  email: string;
+  name?: string;
+  role?: 'admin' | 'poweruser' | 'user';
+  phone?: string;
+  familyId?: string | null;
+}
+
+export interface AuthResponse {
+  token: string;
+  user: User;
+}