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/internal/interface/http/middleware/utils.go

@@ -20,10 +20,12 @@ var (
 func init() {
 	// Exact matches
 	exactPaths = map[string]bool{
-		"/api/v1/me":                   true,
-		"/api/v1/me/delete":            true,
-		"/api/v1/me/blocked-emails":    true,
-		"/api/v1/dashboard":            true,
+		"/api/v1/me":                        true,
+		"/api/v1/me/delete":                 true,
+		"/api/v1/me/blocked-emails":         true,
+		"/api/v1/me/email/change-request":   true, // Email change step 1: request
+		"/api/v1/me/email/change-verify":    true, // Email change step 2: verify
+		"/api/v1/dashboard":                 true,
 		"/api/v1/collections":          true,
 		"/api/v1/collections/filtered": true,
 		"/api/v1/collections/root":     true,