Back-end part of job qualification task

This part will cover providing APIs to do the following

• User Login
• Upload User Market Rates
• Compare the User market rates with the market rate and display potential saving based on different percentile

API URLs

• User login /api/v1/auth/login
• Upload user market rates api/v1/benchmarking/upload-user-rates
• Calculate user potential saving api/v1/benchmarking/user-potential-savings