added new event type

src/types.ts

@@ -69,6 +69,10 @@ export type Options = {
         keyEvent?: KeyEvent; // main(or base, or smth) / shift / alt / etc
         orientation?: PanOrientation;
       },
+      doubleClick?: {
+        isActive: boolean;
+        keyEvent?: KeyEvent;
+      },
     },
     scroll?: {
       zoom?: {