Add tasks for all the new languages

Task/Sockets/Sidef/sockets.sidef

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+var host = Socket.gethostbyname('localhost');
+var in = Socket.sockaddr_in(256, host);
+var proto = Socket.getprotobyname('tcp');
+
+var sock = Socket.open(Socket.AF_INET, Socket.SOCK_STREAM, proto);
+sock.connect(in);
+sock.send('hello socket world', 0, in);
+sock.close;