feat: Integrate chat feature into main navigation

- Add a "Chat" link to the main navigation for both desktop and mobile views.
- Include a message icon for visual identification and support for multiple languages (English, Spanish, French).
- Update documentation to reflect navigation integration and usage instructions for the chat feature.

src/i18n/locales/en.ts

@@ -8,6 +8,7 @@ const messages: LocaleMessages = {
     faq: 'FAQ',
     events: 'Events',
     market: 'Market',
+    chat: 'Chat',
     login: 'Login',
     logout: 'Logout'
   },

src/i18n/locales/es.ts

@@ -8,6 +8,7 @@ const messages: LocaleMessages = {
     faq: 'Preguntas Frecuentes',
     events: 'Eventos',
     market: 'Mercado',
+    chat: 'Chat',
     login: 'Iniciar Sesión',
     logout: 'Cerrar Sesión'
   },

src/i18n/locales/fr.ts

@@ -8,6 +8,7 @@ const messages: LocaleMessages = {
     faq: 'FAQ',
     events: 'Événements',
     market: 'Marché',
+    chat: 'Chat',
     login: 'Connexion',
     logout: 'Déconnexion'
   },

src/i18n/types.ts

@@ -6,6 +6,7 @@ export interface LocaleMessages {
     faq: string
     events: string
     market: string
+    chat: string
     login: string
     logout: string
   }