Add ClientVersionMain

src/main/java/net/runelite/deob/clientver/ClientVersionMain.java

@@ -0,0 +1,14 @@
+package net.runelite.deob.clientver;
+
+import java.io.File;
+import java.io.IOException;
+
+public class ClientVersionMain
+{
+	public static void main(String[] args) throws IOException
+	{
+		File jar = new File(args[0]);
+		ClientVersion cv = new ClientVersion(jar);
+		System.out.println(cv.getVersion());
+	}
+}