Changed domains, configured links between VisaApplication and Applicant,created generic repository and repositories for domains

SchengenVisaApi/Domains/ApplicantDomain/Address.cs

@@ -0,0 +1,21 @@
+using Domains.LocationDomain;
+
+namespace Domains.ApplicantDomain
+{
+    /// Model of address
+    /// <remarks>Owned</remarks>
+    public class Address
+    {
+        /// Country part of address
+        public Country Country { get; set; } = null!;
+
+        /// City part of address
+        public City City { get; set; } = null!;
+
+        /// Street part of address
+        public string Street { get; set; } = null!;
+
+        /// Building part of address
+        public string Building { get; set; } = null!;
+    }
+}