on-disk cache instead of in-memory with an expiration

[ehsandeep]

Describe the use case of this feature:

during investigation, it turned out that using in-memory storage is not sufficient and resulting in process kill + service restarting causing issues with interactsh server downtime can be seen here - https://status.projectdiscovery.io, so no matter memory size, it will be eventually hit the limit will cause process kill with in-memory strategy.

Please describe your feature request:

switching from memory to disk with expiration for storage.