feat: initialize backend with proxy server functionality

updates

Update prestart script in package.json to run updater in the background

Add run_updater.sh script and update prestart script in package.json

Add missing source files copy in production stage of Dockerfile

Simplify updater process handling by consolidating success and failure logic into a single execution block with reduced sleep times

Update Dockerfile and package.json to include prop-types dependency and optimize build process

Refactor Dockerfile to optimize build stages and leverage caching

Remove ARM64 platform support from Docker build configuration

Enhance server caching and worker pool efficiency by implementing cache hit response and dynamic worker sizing

Optimize worker pool size by using the number of CPU cores instead of server count

Optimize server addition and retrieval by using pipeline for batch operations

Refactor updater process and increase item retrieval limits to 100

Increase the limit of untested items retrieved to 50

Add worker threads for server revalidation and update dependencies