bind enter events as a submit to Popups

add s as key to submit a reshuffle in shuffled videos

src/utils/ShortkeyHandler.ts

@@ -0,0 +1,15 @@
+/**
+ * add a new keyhandler
+ * @param handler function to be called onkeyup
+ */
+export const addKeyHandler = (handler: (event: KeyboardEvent) => void): void => {
+    document.addEventListener('keyup', handler);
+};
+
+/**
+ * delete keyhandler
+ * @param handler handler to be removed
+ */
+export const removeKeyHandler = (handler: (event: KeyboardEvent) => void): void => {
+    document.removeEventListener('keyup', handler);
+}