Created Woodpecker CI/CD deployment

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

API/YABA.Service.Tests/UserServiceTests/IsUserRegisteredTests.cs

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+using Microsoft.EntityFrameworkCore;
+using Moq;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Xunit;
+using YABA.Data.Context;
+using YABA.Models;
+
+namespace YABA.Service.Tests
+{
+    public partial class UserServiceTests
+    {
+        [Theory]
+        [ClassData(typeof(IsUserRegistedTestData))]
+        public void IsUserRegistedTests(IsUserRegisteredScenario scenario)
+        {
+            var usersDbSet = new Mock<DbSet<User>>();
+            usersDbSet.As<IQueryable<User>>().Setup(m => m.Provider).Returns(scenario.Users.Provider);
+            usersDbSet.As<IQueryable<User>>().Setup(m => m.Expression).Returns(scenario.Users.Expression);
+            usersDbSet.As<IQueryable<User>>().Setup(m => m.ElementType).Returns(scenario.Users.ElementType);
+            usersDbSet.As<IQueryable<User>>().Setup(m => m.GetEnumerator()).Returns(() => scenario.Users.GetEnumerator());
+
+            var mockContext = new Mock<YABAReadOnlyContext>();
+            mockContext.Setup(x => x.Users).Returns(usersDbSet.Object);
+
+            var userService = new UserService(mockContext.Object, null, null, null);
+            var actualIsUserRegistered = userService.IsUserRegistered(scenario.AuthProviderId);
+            Assert.Equal(scenario.ExpectedResult, actualIsUserRegistered);
+        }
+    }
+
+    public class IsUserRegistedTestData : TheoryData<IsUserRegisteredScenario> 
+    { 
+        public IsUserRegistedTestData() 
+        {
+            Add(new IsUserRegisteredScenario
+            {
+                Users = new List<User>
+                {
+                    new User { Id = 1, Auth0Id = "auth0|TestId1" },
+                }.AsQueryable(),
+                AuthProviderId = "auth0|TestId1",
+                ExpectedResult = true
+            });
+
+            // Not Found
+            Add(new IsUserRegisteredScenario
+            {
+                Users = new List<User>
+                {
+                    new User { Id = 1, Auth0Id = "auth0|TestId1" },
+                }.AsQueryable(),
+                AuthProviderId = "auth0|TestId2",
+                ExpectedResult = false
+            });
+        }
+    }
+
+    public class IsUserRegisteredScenario
+    {
+        public IQueryable<User> Users { get; set; }
+        public string AuthProviderId { get; set; }
+        public bool ExpectedResult { get; set; }
+        public bool ActualResult { get; set; }
+    }
+}