feat(hosting): add HostWizard platform module and fix migration chain

- Add complete hosting module (models, routes, schemas, services, templates, migrations)
- Add HostWizard platform to init_production seed (code=hosting, domain=hostwizard.lu)
- Fix cms_002 migration down_revision to z_unique_subdomain_domain
- Fix prospecting_001 migration to chain after cms_002 (remove branch label)
- Add hosting/prospecting version_locations to alembic.ini
- Fix admin_services delete endpoint to use proper response model
- Add hostwizard.lu to deployment docs (DNS, Caddy, Cloudflare)
- Add hosting and prospecting user journey docs to mkdocs nav

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/modules/hosting/locales/de.json

@@ -0,0 +1,22 @@
+{
+    "hosting": {
+        "page_title": "Hosting",
+        "dashboard_title": "Hosting Dashboard",
+        "sites": "Webseiten",
+        "clients": "Kundendienste",
+        "loading": "Laden...",
+        "error_loading": "Fehler beim Laden der Daten"
+    },
+    "permissions": {
+        "view": "Hosting anzeigen",
+        "view_desc": "Zugriff auf gehostete Webseiten, Dienste und Statistiken",
+        "manage": "Hosting verwalten",
+        "manage_desc": "Gehostete Webseiten und Dienste erstellen, bearbeiten und verwalten"
+    },
+    "menu": {
+        "hosting": "Hosting",
+        "dashboard": "Dashboard",
+        "sites": "Webseiten",
+        "clients": "Kundendienste"
+    }
+}

app/modules/hosting/locales/en.json

@@ -0,0 +1,22 @@
+{
+    "hosting": {
+        "page_title": "Hosting",
+        "dashboard_title": "Hosting Dashboard",
+        "sites": "Sites",
+        "clients": "Client Services",
+        "loading": "Loading...",
+        "error_loading": "Failed to load data"
+    },
+    "permissions": {
+        "view": "View Hosting",
+        "view_desc": "View hosted sites, services, and statistics",
+        "manage": "Manage Hosting",
+        "manage_desc": "Create, edit, and manage hosted sites and services"
+    },
+    "menu": {
+        "hosting": "Hosting",
+        "dashboard": "Dashboard",
+        "sites": "Sites",
+        "clients": "Client Services"
+    }
+}

app/modules/hosting/locales/fr.json

@@ -0,0 +1,22 @@
+{
+    "hosting": {
+        "page_title": "Hébergement",
+        "dashboard_title": "Tableau de bord Hébergement",
+        "sites": "Sites",
+        "clients": "Services clients",
+        "loading": "Chargement...",
+        "error_loading": "Erreur lors du chargement des données"
+    },
+    "permissions": {
+        "view": "Voir l'hébergement",
+        "view_desc": "Voir les sites hébergés, services et statistiques",
+        "manage": "Gérer l'hébergement",
+        "manage_desc": "Créer, modifier et gérer les sites hébergés et services"
+    },
+    "menu": {
+        "hosting": "Hébergement",
+        "dashboard": "Tableau de bord",
+        "sites": "Sites",
+        "clients": "Services clients"
+    }
+}

app/modules/hosting/locales/lb.json

@@ -0,0 +1,22 @@
+{
+    "hosting": {
+        "page_title": "Hosting",
+        "dashboard_title": "Hosting Dashboard",
+        "sites": "Websäiten",
+        "clients": "Client Servicer",
+        "loading": "Lueden...",
+        "error_loading": "Feeler beim Luede vun den Donnéeën"
+    },
+    "permissions": {
+        "view": "Hosting kucken",
+        "view_desc": "Zougang zu gehosten Websäiten, Servicer a Statistiken",
+        "manage": "Hosting geréieren",
+        "manage_desc": "Gehost Websäiten a Servicer erstellen, änneren a geréieren"
+    },
+    "menu": {
+        "hosting": "Hosting",
+        "dashboard": "Dashboard",
+        "sites": "Websäiten",
+        "clients": "Client Servicer"
+    }
+}