feat(dal): таблицы Users, Roles

PARR.DAL/Models/UsersInRole.cs

@@ -0,0 +1,20 @@
+using Microsoft.EntityFrameworkCore;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace PARR.DAL.Models
+{
+    [Table("UsersInRoles")]
+    [PrimaryKey(nameof(RoleId), nameof(UserId))]
+    public class UsersInRole
+    {
+        public Guid RoleId { get; set; }
+
+        public Guid UserId { get; set; }
+
+        [ForeignKey(nameof(RoleId))]
+        public Role? Role { get; set; }
+
+        [ForeignKey(nameof(UserId))]
+        public User? User { get; set; }
+    }
+}