add a way to pause builder

src/main/java/baritone/process/BuilderProcess.java

@@ -89,6 +89,10 @@ public class BuilderProcess extends BaritoneProcessHelper implements IBuilderPro
         paused = false;
     }
 
+    public void pause() {
+        paused = true;
+    }
+
     @Override
     public boolean build(String name, File schematic, Vec3i origin) {
         NBTTagCompound tag;

src/main/java/baritone/utils/ExampleBaritoneControl.java

@@ -358,6 +358,11 @@ public class ExampleBaritoneControl extends Behavior implements Helper {
             logDirect("resumed");
             return true;
         }
+        if (msg.equals("pause")) {
+            baritone.getBuilderProcess().pause();
+            logDirect("paused");
+            return true;
+        }
         if (msg.equals("reset")) {
             for (Settings.Setting setting : Baritone.settings().allSettings) {
                 setting.reset();