Created Woodpecker CI/CD deployment

- Created Dockerfile for packing up API and Web projects as Docker image

API/YABA.Service/Interfaces/IUserService.cs

@@ -0,0 +1,12 @@
+using System.Threading.Tasks;
+using YABA.Common.DTOs;
+
+namespace YABA.Service.Interfaces
+{
+    public interface IUserService
+    {
+        bool IsUserRegistered(string authProviderId);
+        Task<UserDTO> RegisterUser(string authProviderId);
+        int GetUserId(string authProviderId);
+    }
+}