* fix: added PI_BASE_PATH
* feat: add PI_URL configuration for new PI service integration
* feat: include PI_BASE_URL in InstanceEndpoint configuration and response
* feat: add NEXT_PUBLIC_PI_BASE_URL and NEXT_PUBLIC_PI_BASE_PATH to Dockerfile for PI service integration
* fix: removed SILO variables
* fix: reverted instance file changes
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Co-authored-by: akshat5302 <[email protected]>