feat: Add soil health analytics

[magic-peach]

Issue Description

Farmers need detailed soil analysis and recommendations.

Issue Type

• Bug
• Feature Request
• Enhancement
• Documentation
• Refactor
• Other

Description

Implement soil analytics:

• Soil test results
• Nutrient analysis
• Fertilizer recommendations
• Historical tracking
• Comparison reports

Claiming This Issue

• I'm willing to solve this issue by myself

[github-actions]

Thank you for raising this issue!

We'll review it as soon as possible. We truly appreciate your contributions! ✨

Meanwhile make sure you've visited the README.md, CONTRIBUTING.md, and CODE_OF_CONDUCT.md before creating a PR for this. Also, please do NOT create a PR until this issue has been assigned to you. 😊