Align repository with Kovina Repository Standard

CONTRIBUTING.md

@@ -1,60 +1,12 @@
 # Contributing to OpenSprout
 
-Thanks for helping grow OpenSprout. Beginners, docs fixes, design feedback, bug reports, and careful plant-care nerd notes are all welcome.
+Please see [docs/Contributing.md](docs/Contributing.md) for the full contributing guide.
 
-## Ways to Contribute
+## Quick Links
 
-- Report bugs.
-- Suggest features.
-- Improve documentation.
-- Pick up `good first issue` tasks.
-- Add tests and accessibility improvements.
-- Improve self-hosting and privacy docs.
+- [Development Setup](docs/Development.md)
+- [Architecture](docs/Architecture.md)
+- [Deployment](docs/Deployment.md)
+- [Testing](docs/Testing.md)
 
-## Development Setup
-
-```bash
-npm install
-cp .env.example apps/web/.env.local
-npm run dev
-```
-
-Add your Supabase project URL and publishable key to `apps/web/.env.local` when working on authenticated or database-backed flows. Never use a Supabase service role key in frontend environment variables.
-
-## Branches and Commits
-
-Use descriptive branches such as:
-
-- `feature/plant-profiles`
-- `fix/reminder-timezone`
-- `docs/self-hosting-guide`
-
-Suggested commit prefixes:
-
-- `feat:`
-- `fix:`
-- `docs:`
-- `test:`
-- `refactor:`
-- `chore:`
-
-## Pull Requests
-
-- Keep PRs focused.
-- Explain what changed and why.
-- Link related issues.
-- Include screenshots for UI changes.
-- Add or update tests when behavior changes.
-- Mention privacy, accessibility, or self-hosting impact when relevant.
-
-## Design Principles
-
-- Privacy-first.
-- Self-hostable by default.
-- Accessible and mobile-friendly.
-- Beginner-friendly without hiding useful detail.
-- No subscriptions, trackers, or lock-in.
-
-## Security
-
-Please do not open public issues for sensitive vulnerabilities. Follow the disclosure process in [SECURITY.md](SECURITY.md).
+By contributing, you agree that your contributions will be licensed under AGPLv3.