Add initial implementation of API, database, and user management components.

MikrocopApi/Mappers/AuthMappingExtensions.cs

@@ -0,0 +1,24 @@
+using MikrocopApi.Dtos;
+
+namespace MikrocopApi.Mappers;
+
+public static class AuthMappingExtensions
+{
+    public static LoginResponseDto ToDto(this (string AccessToken, DateTime ExpiresAtUtc) token)
+    {
+        return new LoginResponseDto
+        {
+            AccessToken = token.AccessToken,
+            ExpiresAtUtc = token.ExpiresAtUtc,
+            TokenType = "Bearer"
+        };
+    }
+
+    public static ValidatePasswordResponseDto ToDto(this bool isValid)
+    {
+        return new ValidatePasswordResponseDto
+        {
+            IsValid = isValid
+        };
+    }
+}