feat(domains): add new TLD creation page and update sidebar

- Introduced a new HTMX template for creating TLDs.
- Created a new Django template for the new TLD page.
- Updated the sidebar to include a link to the domains section.

refactor(types): remove unused types and consolidate request handling

- Deleted unused type definitions related to authentication, errors, mailboxes, overview, requests, responses, and users.
- Introduced a new collections package for generic data structures.
- Refactored request handling to use a more streamlined approach with RequestInfo and Param types.

fix(meta): improve pagination and sorting functionality

- Updated pagination logic to handle default values and edge cases.
- Introduced a new Sorting type for better sorting management in queries.

chore(urls): refactor URL handling and registry

- Replaced enums with string constants for HTTP methods.
- Consolidated route registration logic and improved type safety with RegisteredRoute.

style(shortcuts): clean up error handling and rendering functions

- Enhanced error handling functions for better readability and maintainability.
- Removed deprecated functions and improved the structure of rendering logic.

1 files changed, 52 insertions, 0 deletions

diff --git a/services/mail/users.go b/services/mail/users.go
new file mode 100644
index 0000000..9520219
--- /dev/null
+++ b/services/mail/users.go
@@ -0,0 +1,52 @@
+package mail
+
+import (
+	"strings"
+
+	"dove/models"
+	"dove/repositories"
+	"dove/utils/meta"
+	"dove/utils/shortcuts"
+)
+
+type CreateUserRequest struct {
+	Username    string `form:"username"`
+	DisplayName string `form:"display_name"`
+}
+
+func ListUsers(pagination meta.Pagination, sorting meta.Sorting, search string) meta.PaginatedResponse {
+	users, total := repositories.ListUsers(pagination, sorting, search)
+	return pagination.Response(users, total)
+}
+
+func CreateUser(request CreateUserRequest) *shortcuts.Error {
+	username := strings.TrimSpace(request.Username)
+	displayName := strings.TrimSpace(request.DisplayName)
+
+	if username == "" {
+		return shortcuts.ServiceError(shortcuts.BadRequest, UsernameRequired)
+	}
+
+	if displayName == "" {
+		return shortcuts.ServiceError(shortcuts.BadRequest, DisplayNameRequired)
+	}
+
+	if repositories.FindUserByUsername(username) != nil {
+		return shortcuts.ServiceError(shortcuts.Unprocessable, UserAlreadyExists)
+	}
+
+	newUser := &models.User{
+		Username:    username,
+		DisplayName: displayName,
+	}
+
+	if createError := repositories.CreateUser(newUser); createError != nil {
+		return shortcuts.ServiceError(shortcuts.Internal, UserCreationFailed)
+	}
+
+	return nil
+}
+
+func AllUsers() []models.User {
+	return repositories.AllUsers()
+}