[FEATURE] Make cache configuration configurable at runtime

Feature Description

Currently all in-memory cache configuration like TTL, TTI and MAX_CAPACITY are const, Make it configurable through the application config

Possible Implementation

Create

struct Cache {
	ttl: u32,
	tti: u32,
	max_capacity: u32
}

and add it to Settings struct

Have you spent some time checking if this feature request has been raised before?

• I checked and didn't find a similar issue

Have you read the Contributing Guidelines?

• I have read the Contributing Guidelines

Are you willing to submit a PR?

None