feat: initialize NORA artifact registry

Cloud-native multi-protocol artifact registry in Rust.

- Docker Registry v2
- Maven (+ proxy)
- npm (+ proxy)
- Cargo, PyPI
- Web UI, Swagger, Prometheus
- Local & S3 storage
- 32MB Docker image

Created by DevITWay
https://getnora.io

CONTRIBUTING.md

@@ -0,0 +1,100 @@
+# Contributing to NORA
+
+Thanks for your interest in contributing to NORA!
+
+## Getting Started
+
+1. **Fork** the repository
+2. **Clone** your fork:
+   ```bash
+   git clone https://github.com/your-username/nora.git
+   cd nora
+   ```
+3. **Create a branch**:
+   ```bash
+   git checkout -b feature/your-feature-name
+   ```
+
+## Development Setup
+
+### Prerequisites
+
+- Rust 1.75+ (`rustup update`)
+- Docker (for testing)
+- Git
+
+### Build
+
+```bash
+cargo build
+```
+
+### Run
+
+```bash
+cargo run --bin nora
+```
+
+### Test
+
+```bash
+cargo test
+cargo clippy
+cargo fmt --check
+```
+
+## Making Changes
+
+1. **Write code** following Rust conventions
+2. **Add tests** for new features
+3. **Update docs** if needed
+4. **Run checks**:
+   ```bash
+   cargo fmt
+   cargo clippy -- -D warnings
+   cargo test
+   ```
+
+## Commit Messages
+
+Follow [Conventional Commits](https://www.conventionalcommits.org/):
+
+- `feat:` - New feature
+- `fix:` - Bug fix
+- `docs:` - Documentation
+- `test:` - Tests
+- `refactor:` - Code refactoring
+- `chore:` - Maintenance
+
+Example:
+```bash
+git commit -m "feat: add S3 storage migration"
+```
+
+## Pull Request Process
+
+1. **Push** to your fork:
+   ```bash
+   git push origin feature/your-feature-name
+   ```
+
+2. **Open a Pull Request** on GitHub
+
+3. **Wait for review** - maintainers will review your PR
+
+## Code Style
+
+- Follow Rust conventions
+- Use `cargo fmt` for formatting
+- Pass `cargo clippy` with no warnings
+- Write meaningful commit messages
+
+## Questions?
+
+- Open an [Issue](https://github.com/getnora-io/nora/issues)
+- Ask in [Discussions](https://github.com/getnora-io/nora/discussions)
+- Reach out on [Telegram](https://t.me/DevITWay)
+
+---
+
+Built with love by the NORA community