✨(app-desk) create mailbox for a mail domain

Add form to create a mailbox for a mail domain. It sends a http
POST request mail-domains/<mail-domain-id>/mailboxes/ on form
submit. The form appears inside a modal.
Installs react-hook-form, zod, and @hookform/resolvers for form
manipulation and field validation.

src/frontend/apps/desk/package.json

@@ -16,6 +16,7 @@
   },
   "dependencies": {
     "@gouvfr-lasuite/integration": "0.1.3",
+    "@hookform/resolvers": "3.4.2",
     "@openfun/cunningham-react": "2.9.0",
     "@tanstack/react-query": "5.36.0",
     "i18next": "23.11.4",
@@ -25,12 +26,15 @@
     "react": "*",
     "react-aria-components": "1.2.0",
     "react-dom": "*",
+    "react-hook-form": "7.51.5",
     "react-i18next": "14.1.1",
     "react-select": "5.8.0",
     "styled-components": "6.1.11",
+    "zod": "3.23.8",
     "zustand": "4.5.2"
   },
   "devDependencies": {
+    "@hookform/devtools": "4.3.1",
     "@svgr/webpack": "8.1.0",
     "@tanstack/react-query-devtools": "5.36.0",
     "@testing-library/jest-dom": "6.4.5",