many fixes and improvements - rework for modules/ and common/

feat(emailer): add Postmark and Resend providers

backend/Modules/Identity/Data/UserManager.cs

@@ -0,0 +1,27 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Options;
+
+namespace Hutopy.Modules.Identity.Data;
+
+public sealed class UserManager(
+    IUserStore<User> store,
+    IOptions<IdentityOptions> optionsAccessor,
+    IPasswordHasher<User> passwordHasher,
+    IEnumerable<IUserValidator<User>> userValidators,
+    IEnumerable<IPasswordValidator<User>> passwordValidators,
+    ILookupNormalizer keyNormalizer,
+    IdentityErrorDescriber errors,
+    IServiceProvider services,
+    ILogger<UserManager<User>> logger)
+    : UserManager<User>(
+        store,
+        optionsAccessor,
+        passwordHasher,
+        userValidators,
+        passwordValidators,
+        keyNormalizer,
+        errors,
+        services,
+        logger)
+{
+}