Function fetch

src/fl/net/http/fetch.h:281–283

@brief Make an HTTP GET request with URL string literal (cross-platform) @param url The URL to fetch (C-string) @param callback Function to call with the response

/// @param url The URL to fetch (C-string)  
/// @param callback Function to call with the response
inline void fetch(const char* url, const FetchCallback& callback) {
    fetch(fl::string(url), callback);
}

// ========== Promise-Based API (JavaScript-like) ==========