Add api status badge and api ping

[Nabal22]

No description provided.

[Copilot]

Pull Request Overview

This PR adds API health monitoring functionality to display the backend service status. The implementation includes a health check endpoint on the backend and corresponding frontend components to display the API status in real-time.

• Added a Spring Boot health check controller that returns API status
• Created a React component that periodically pings the API and displays status badges
• Integrated the API status badge into the site header and home page

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
rest-api/src/main/java/com/krma/agrimap/api/HealthCheckController.java	New health check endpoint returning API status
rest-api/render.yaml	Removed comment from region configuration
front/src/components/site-header.tsx	Added API status badge to the header
front/src/components/api-status-badge.tsx	New component for displaying and monitoring API status
front/src/app/page.tsx	Added API status badge and renamed function

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