added redis - rate limiting and made register endpoint secure - issue#16

[MUHSIN-M-P]

• I’ve tested the code locally and it works as expected
• I’ve added screenshots if applicable
• I’ve followed the code style and contribution guidelines

📝 Description

this PR added rate limit using redis upstash . i have added example.env file and . for register end point it does n't validate the token created i have added that service also and differentiated token of new user and existing user to prevent the exisiting user sending request.

[kowshikdontu]

@MUHSIN-M-P
hey , glad you added the redis! we are going ahead fast..I made some changes to your code and raised PR, let's wait for the @Harish-2003 to look into these.

[kowshikdontu]

Hey @MUHSIN-M-P , quick question , have you tested the Redis integration using your actual Upstash credentials? I'm interested to know how to set up those for my further contribution.

[MUHSIN-M-P]

yes
i have also added env.example in my pr

[Harish-2003]

i am not much familirar with reddis but can't we check what data got stored in reddis?

[Harish-2003]

@MUHSIN-M-P

[MUHSIN-M-P]

@Harish-2003 yes we can check what data is stored in reddis, using redis cli. i have used redis_upstash you can view it from the site