Admin controller, Locations controller, requests to add available countries, request to get available countries

SchengenVisaApi/ApplicationLayer/DataAccessingServices/Applicants/Models/AddressModel.cs

@@ -0,0 +1,13 @@
+namespace ApplicationLayer.DataAccessingServices.Applicants.Models;
+
+public class AddressModel
+{
+    /// City part of address
+    public Guid CityId { get; set; }
+
+    /// Street part of address
+    public string Street { get; set; } = null!;
+
+    /// Building part of address
+    public string Building { get; set; } = null!;
+}