feat: Implement email change functionality

This commit introduces the following changes:

-   Added new API endpoints for email change requests and
    verification.
-   Updated the backend code to support email change workflow,
    including validation, code generation, and email sending.
-   Updated the frontend to include components for initiating and
    verifying email changes.
-   Added new dependencies to support email change functionality.
-   Updated the existing components to include email change
    functionality.

https://codeberg.org/mapleopentech/monorepo/issues/1

cloud/maplefile-backend/app/wire.go

@@ -213,10 +213,12 @@ func InitializeApplication(cfg *config.Configuration) (*Application, error) {
 		svc_auth.ProvideRecoveryVerifyService,
 		svc_auth.ProvideRecoveryCompleteService,
 
-		// Service layer - Me (3 providers)
+		// Service layer - Me (5 providers)
 		svc_me.ProvideGetMeService,
 		svc_me.ProvideUpdateMeService,
 		svc_me.ProvideDeleteMeService,
+		svc_me.ProvideChangeEmailRequestService,
+		svc_me.ProvideChangeEmailVerifyService,
 
 		// Service layer - Dashboard (1 provider)
 		svc_dashboard.ProvideGetDashboardService,
@@ -251,10 +253,12 @@ func InitializeApplication(cfg *config.Configuration) (*Application, error) {
 		// HTTP handlers - Dashboard
 		dashboard.ProvideGetDashboardHTTPHandler,
 
-		// HTTP handlers - Me
+		// HTTP handlers - Me (5 providers)
 		me.ProvideGetMeHTTPHandler,
 		me.ProvidePutUpdateMeHTTPHandler,
 		me.ProvideDeleteMeHTTPHandler,
+		me.ProvidePostChangeEmailRequestHTTPHandler,
+		me.ProvidePostChangeEmailVerifyHTTPHandler,
 
 		// HTTP handlers - User (1 provider)
 		user.ProvideUserPublicLookupHTTPHandler,