Expose refresh functionality

src/index.js

@@ -155,6 +155,13 @@ export default class Driver {
       return;
     }
 
+    this.refresh();
+  }
+
+  /**
+   * Refreshes and repositions the popover and the overlay
+   */
+  refresh() {
     this.overlay.refresh();
   }
 

types/index.d.ts

@@ -69,6 +69,11 @@ declare module 'driver.js' {
      */
     private onResize(): void;
 
+    /**
+     * Refreshes and repositions the popover and the overlay
+     */
+    private refresh(): void;
+
     /**
      * Makes it operable with keyboard
      * @param {Event} e