added reset message

app.js

@@ -78,6 +78,12 @@ const parseMessage = (message) => {
             case 'init':
                 toPlotter(init());
                 break;
+            case 'reset':
+                distance = 3;
+                toPlotter(init());
+                toPlotter(to(0,0));
+                toPlotter(init());
+                break;
             case 'pu':
                 toPlotter(`PU;`);
                 break;