feat: Add government scheme finder

[magic-peach]

Issue Description

Farmers need help finding relevant government programs.

Issue Type

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

Description

Implement scheme finder:

• Scheme database
• Eligibility checker
• Application assistance
• Deadline reminders
• Document checklist

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. 😊