feat: implement real tenant creation functionality

services/dataService.ts

@@ -67,3 +67,28 @@ export const getAttendanceById = async (id: string): Promise<Attendance | undefi
     return undefined;
   }
 };
+
+export const getTenants = async (): Promise<any[]> => {
+  try {
+    const response = await fetch(`${API_URL}/tenants`);
+    if (!response.ok) throw new Error('Falha ao buscar tenants');
+    return await response.json();
+  } catch (error) {
+    console.error("API Error (getTenants):", error);
+    return [];
+  }
+};
+
+export const createTenant = async (tenantData: any): Promise<boolean> => {
+  try {
+    const response = await fetch(`${API_URL}/tenants`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(tenantData)
+    });
+    return response.ok;
+  } catch (error) {
+    console.error("API Error (createTenant):", error);
+    return false;
+  }
+};