[ADD] Adding models, repositories. Implementing business logic.

DotBased.AspNet.Authority/Models/Authority/AuthorityGroup.cs

@@ -0,0 +1,26 @@
+namespace DotBased.AspNet.Authority.Models.Authority;
+
+public class AuthorityGroup : AuthorityGroup<Guid>
+{
+    public AuthorityGroup(string name) : this()
+    {
+        Name = name;
+    }
+    
+    public AuthorityGroup()
+    {
+        Id = Guid.NewGuid();
+        CreatedDate = DateTime.Now;
+    }
+}
+
+public abstract class AuthorityGroup<TKey> where TKey : IEquatable<TKey>
+{
+    public TKey Id { get; set; }
+    
+    public string? Name { get; set; }
+
+    public long Version { get; set; }
+    
+    public DateTime CreatedDate { get; set; }
+}