Add simple TCP socket listener.(and actual class) Fix next track accidentally playing last track again.

README

@@ -1,5 +1,10 @@
-How To Build This Template
--=-=-=-=-=-=-=-=-=-=-=-=-=
+About
+=====
+KDE Plasma DataEngine and Service that can queue Youtube and Bandcamp songs(by way of youtube-dl) and play them on the device. Also supports accepting remote commands on TCP socket(54634), discoverable through DNS-SD.
+
+
+How To Build
+-=-=-=-=-=-=
 
 --- On Unix:
 
@@ -20,3 +25,4 @@ Requires:
 * KDNSSD
 * youtube-dl
 * QtMultimedia
+* QtNetwork