## Problem solved
Short description of the bug fixed or feature added
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## PR-Codex overview
The focus of this PR is to implement rate limiting for a HubSpot API endpoint using Redis caching.
### Detailed summary
- Added `cacheGet` and `cacheSet` functions for Redis caching
- Implemented rate limiting logic based on IP address
- Added `rateLimiter` function to handle rate limiting
- Updated handler to use `rateLimiter` before processing requests
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