Analyze and document the technology stack for this project.

Your task:
1. Examine the repository to identify all technologies, frameworks, and libraries in use
2. Create a comprehensive stack documentation file
3. Organize by categories (frontend, backend, database, DevOps, testing, etc.)
4. Include version information where available

Output format:
```markdown
# Technology Stack

## Frontend
- Framework: [Name] (version)
- UI Library: [Name] (version)
- State Management: [Name] (version)

## Backend
- Runtime: [Name] (version)
- Framework: [Name] (version)
- API: [Type/Framework]

## Database
- Database: [Name] (version)
- ORM/ODM: [Name] (version)

## DevOps & Tools
- Package Manager: [Name]
- Build Tool: [Name]
- Testing: [Framework]
- CI/CD: [Platform]

## Dependencies
Key dependencies and their purposes.
```

Save as `STACK.md` or similar in the repository root or docs folder.