Scale Redis Caching

[haseebzaki-07]

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fixes #4

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a. This PR optimises the redis caching layers in the backend APIs of the project.

b. Created a new Redis client page redis.ts and exported RedisClient, made changes in the existing APIs.

c. closes #4

[haseebzaki-07]

hey @visheshrwl please review this PR

[github-actions]

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