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/components/layout/Navbar.vue

@@ -155,10 +155,10 @@ const handleLogout = async () => {
             </DropdownMenuTrigger>
             <DropdownMenuContent align="end" class="w-56 lg:w-64">
               <!-- Wallet Balance in Dropdown -->
-              <div class="flex items-center gap-2 px-2 py-1.5 text-sm border-b">
+              <DropdownMenuItem @click="() => router.push('/wallet')" class="gap-2 border-b">
                 <Wallet class="h-4 w-4 text-muted-foreground" />
                 <CurrencyDisplay :balance-msat="totalBalance" />
-              </div>
+              </DropdownMenuItem>
 
               <DropdownMenuItem @click="openProfileDialog" class="gap-2">
                 <User class="h-4 w-4" />