add random delay time to the swap

[xyzsola]

i added a random delay time to the swap process. but i forgot about config.json and i don't know how to ignore it when pr. haha

[dante4rt]

i added a random delay time to the swap process. but i forgot about config.json and i don't know how to ignore it when pr. haha

Remove config.json file, and restore .env.example file, then push again.

[nguyenanh29]

There are many more tasks now Plume network, can you add more script? By the way, you have fantastic works. Thanks so much for sharing.