Add wallet module with receive and send functionality

- Introduced a new wallet module that includes components for sending and receiving Bitcoin payments.
- Implemented WalletService to manage payment links and transactions, including methods for creating LNURL pay links and sending payments.
- Added dialogs for receiving and sending payments, enhancing user interaction with the wallet.
- Updated app configuration to enable the wallet module and integrated it into the main application flow.

These changes provide users with a comprehensive wallet experience, allowing for seamless Bitcoin transactions.

src/app.config.ts

@@ -64,6 +64,18 @@ export const appConfig: AppConfig = {
         ticketValidationEndpoint: '/api/tickets/validate',
         maxTicketsPerUser: 10
       }
+    },
+    wallet: {
+      name: 'wallet',
+      enabled: true,
+      lazy: false,
+      config: {
+        defaultReceiveAmount: 1000, // 1000 sats
+        maxReceiveAmount: 1000000, // 1M sats
+        apiConfig: {
+          baseUrl: import.meta.env.VITE_LNBITS_BASE_URL || 'http://localhost:5000'
+        }
+      }
     }
   },