Adds a util function to schedule and execute discord requests according to its rate limits

[Ajeyakrishna-k]

Date: 8th December 2023 Developer Name: @Ajeyakrishna-k

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Issue Ticket Number

• 168

Description

Discord provides rate limit headers like rate limit remaining and time after which rate limit resets, this can be used to schedule request to avoid being rate limited. This PR adds a generic method which can be used to request and schedule any discord end point which provides rate limit headers

Documentation Updated?

• [ ] Yes
• [x] No

Breaking Changes

• [ ] Yes
• [x] No

Development Tested?

• [x] Yes
• [ ] No

Tested in Staging?

• [x] Yes
• [ ] No

Under Feature Flag

• [x] Yes
• [ ] No

Database Changes

• [ ] Yes
• [x] No

Test Coverage