Repurpose branch to be played

When anuke shows more interest in this branch the changes that stem from this can be reversed and squashed, but people want to play it, and keeping 2 crater related branches in sync is frankly a pain 😗

core/src/mindustry/ui/dialogs/JoinDialog.java

@@ -376,7 +376,7 @@ public class JoinDialog extends FloatingDialog{
         servers = Core.settings.getObject("server-list", Array.class, Array::new);
 
         //get servers
-        Core.net.httpGet(becontrol.active() ? serverJsonBeURL : serverJsonURL, result -> {
+        Core.net.httpGet(serverJsonCraterURL, result -> {
             try{
                 Jval val = Jval.read(result.getResultAsString());
                 Core.app.post(() -> {