add missing bypassIdleKick permission to default permissions

Author: granny

purpur-api/src/main/java/org/purpurmc/purpur/util/permissions/PurpurPermissions.java

@@ -31,6 +31,8 @@ public static Permission registerPermissions() {
 
         DefaultPermissions.registerPermission(PREFIX + "debug.f3n", "Allows the user to use F3+N keybind to swap gamemodes", PermissionDefault.FALSE, purpur);
 
+        DefaultPermissions.registerPermission(PREFIX + "bypassIdleKick", "Allows the user to bypass being kicked while idle", PermissionDefault.FALSE, purpur);
+
         Permission book = DefaultPermissions.registerPermission(PREFIX + "book", "Allows the user to use color codes on books", PermissionDefault.FALSE, purpur);
         DefaultPermissions.registerPermission(PREFIX + "book.color.edit", "Allows the user to use color codes on books when editing", PermissionDefault.FALSE, book);
         DefaultPermissions.registerPermission(PREFIX + "book.color.sign", "Allows the user to use color codes on books when signing", PermissionDefault.FALSE, book);