feat: github templates and db migration

.github/CONTRIBUTING.md

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+# Contributing to OpenCut
+
+Thank you for your interest in contributing to OpenCut! This document provides guidelines and instructions for contributing.
+
+## Getting Started
+
+1. Fork the repository
+2. Clone your fork locally
+3. Install dependencies: `bun install`
+4. Start the development server: `bun run dev`
+
+## Development Setup
+
+### Prerequisites
+- Node.js 18+ 
+- Docker (for local database)
+
+### Local Development
+1. Copy `.env.example` to `.env.local` and configure your environment variables
+2. Start the database: `docker-compose up -d`
+3. Run database migrations: `bun run db:migrate`
+4. Start the development server: `bun run dev`
+
+## How to Contribute
+
+### Reporting Bugs
+- Use the bug report template
+- Include steps to reproduce
+- Provide screenshots if applicable
+
+### Suggesting Features
+- Use the feature request template
+- Explain the use case
+- Consider implementation details
+
+### Code Contributions
+1. Create a new branch: `git checkout -b feature/your-feature-name`
+2. Make your changes
+3. Write tests for new functionality
+4. Ensure all tests pass: `npm test`
+5. Run the linter: `npm run lint`
+6. Commit your changes with a descriptive message
+7. Push to your fork and create a pull request
+
+## Code Style
+
+- We use Biome for code formatting and linting
+- Run `npm run format` before committing
+- Follow the existing code patterns
+
+## Pull Request Process
+
+1. Fill out the pull request template completely
+2. Link any related issues
+3. Ensure CI passes
+4. Request review from maintainers
+5. Address any feedback
+
+## Community
+
+- Be respectful and inclusive
+- Follow our Code of Conduct
+- Help others in discussions and issues
+
+Thank you for contributing!