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.

CHAT_INTEGRATION.md

@@ -6,6 +6,13 @@ This document describes the Nostr chat integration that allows LNBits users to c
 
 The chat system integrates with the LNBits user system and Nostr relays to provide encrypted messaging between users. Each user has a Nostr keypair (stored in `pubkey` and `prvkey` fields) that enables secure communication.
 
+## Navigation Integration
+
+The chat feature is accessible through the main navigation menu:
+- **Desktop**: Chat link appears in the top navigation bar with a message icon
+- **Mobile**: Chat link appears in the mobile menu with a message icon
+- **Route**: `/chat` - Accessible to authenticated users only
+
 ## Components
 
 ### 1. ChatComponent.vue
@@ -31,6 +38,14 @@ A composable that handles:
 
 A page that integrates the chat component into the web-app.
 
+### 4. Navigation Integration
+**Location**: `src/components/layout/Navbar.vue`
+
+The chat link has been added to the main navigation with:
+- Message icon for visual identification
+- Internationalization support (English, Spanish, French)
+- Responsive design for desktop and mobile
+
 ## API Endpoints
 
 ### Get Current User
@@ -84,6 +99,12 @@ Response:
 - Message timestamps
 - Auto-scroll to latest messages
 
+### 4. Navigation Features
+- Integrated into main navigation menu
+- Message icon for easy identification
+- Multi-language support
+- Responsive design for all devices
+
 ## Security
 
 1. **Encryption**: All messages are encrypted using NIP-04 (Nostr encrypted direct messages)
@@ -100,7 +121,7 @@ Response:
 
 ## Usage
 
-1. Navigate to `/chat` in the web-app
+1. Navigate to `/chat` in the web-app (or click "Chat" in the navigation)
 2. The system will automatically load peers from LNBits
 3. Select a peer to start chatting
 4. Messages are encrypted and sent via Nostr relays