This commit refactors the extraction of HTTP headers in the

cPlayback::Start method to include the 'Referer' header using
the extractParam helper function. It ensures that the 'Referer'
value from URL parameters is properly extracted and appended to
the headers when present.
Using:
<webtv title=ATV url=https://stream.hdtvizlecanli.com/atv.m3u8#Referer=https://www.livestreamde.com />

libarmbox/playback_libeplayer3.h

@@ -36,6 +36,7 @@ class cPlayback
 		off64_t last_size;
 		int init_jump;
 		AVFormatContext *avft;
+		std::string extractParam(const std::string &hdrs, const std::string &paramName);
 	public:
 		cPlayback(int num = 0);
 		~cPlayback();