Fix: backward compatibility with the auto updater launcher

src/main/java/com/sheepit/client/standalone/Worker.java

@@ -0,0 +1,10 @@
+package com.sheepit.client.standalone;
+
+/**
+ * For backward compatibility with the auto updater launcher
+ */
+public class Worker {
+	public static void main(String[] args) {
+		com.sheepit.client.main.Worker.main(args);
+	}
+}