feat: Add debug logging for LNBits API and configuration

- Introduce console logging for LNBits API requests, providing visibility into endpoint calls and full URLs.
- Add debug logging for configuration loading, displaying key configuration values while masking sensitive information.
- Enhance overall debugging capabilities to facilitate easier troubleshooting and monitoring of API interactions.

src/lib/api/lnbits.ts

@@ -75,6 +75,8 @@ class LnbitsAPI {
     options: RequestInit = {}
   ): Promise<T> {
     const url = getApiUrl(endpoint)
+    console.log('🔧 LNBits API request:', { endpoint, fullUrl: url })
+    
     const headers: HeadersInit = {
       'Content-Type': 'application/json',
       ...options.headers,