Implement Response Caching

[LaGodxy]

Priority: High

Add Redis caching for frequently accessed data (user profiles, course lists).

[Diaroke]

@Diaroke has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

I would like to work on this issue because I know how to handle it properly. Kindly assign.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Diaroke to this issue.

[ExcelDsigN-tech]

@ExcelDsigN-tech has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hello, I’m a full stack developer with hands-on experience building with variety of tools including Nextjs, nodejs, nestjs, React, Typescript and more

I focus on writing clear, maintainable code and making sure features work as expected end to end, not just in isolation. I communicate progress regularly and keep things transparent as I work. I’m confident I can complete this task within an ETA of 12 HOURS

ℹ️ Repo Maintainers: To accept this application, review their application or assign @ExcelDsigN-tech to this issue.

[dev-susa]

@dev-susa has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hi team,
I would love to resolve this issue; I have the know-how and experience.

Looking forward to working with the team!

ℹ️ Repo Maintainers: To accept this application, review their application or assign @dev-susa to this issue.

[Sundriveauto]

@Sundriveauto has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

pls i will love to work on this

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Sundriveauto to this issue.

[Amas-01]

@Amas-01 has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hello Maintainer, I'll Love to work on this

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Amas-01 to this issue.

[lamborghini21]

@lamborghini21 has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hi can I be assigned this issue please?

ℹ️ Repo Maintainers: To accept this application, review their application or assign @lamborghini21 to this issue.

[nice-bills]

@nice-bills has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hi maintainer I have thoroughly read the description to this issue and I can resolve this according to the description required ensuring it meet all the acceptance criteria kindly assign....
I have worked on issues of the repo and understand what needs to be done

ℹ️ Repo Maintainers: To accept this application, review their application or assign @nice-bills to this issue.