Initial commit carried over from private repo. This is V2.

code/MessengerApi.Db.Contracts/Repositories/IRepository.cs

@@ -0,0 +1,15 @@
+using MessengerApi.Db.Contracts.Entities;
+
+namespace MessengerApi.Db.Contracts.Repositories
+{
+    public interface IRepository
+    {
+    }
+
+    public interface IRepository<T> : IRepository where T : class, IEntity<T>
+    {
+        void Add(T entity);
+
+        T GetById(Guid id);
+    }
+}