chore: add readme

README.md

@@ -1,7 +1,109 @@
 # Renku CLI
 
-This will be the cli for renku 2.0
+[![CI](https://github.com/SwissDataScienceCenter/renku-cli/actions/workflows/ci.yml/badge.svg)](https://github.com/SwissDataScienceCenter/renku-cli/actions/workflows/ci.yml)
+[![Version](https://img.shields.io/github/v/release/SwissDataScienceCenter/renku-cli)](https://github.com/SwissDataScienceCenter/renku-cli/releases)
+[![License: Apache-2.0](https://img.shields.io/badge/License-Apache--2.0-blue.svg)](LICENSE.txt)
 
-| :warning: WARNING                                                                     |
-|:--------------------------------------------------------------------------------------|
-| Please note that this repository is in an early draft state and not ready to use yet! |
+Manage your Renku projects, datasets, and jobs from the terminal.
+
+## Installation
+
+### Quick Install
+
+```bash
+curl -sfSL https://raw.githubusercontent.com/SwissDataScienceCenter/renku-cli/main/install.sh | bash
+```
+
+### Nix
+
+```bash
+nix profile install github:SwissDataScienceCenter/renku-cli
+```
+
+For other installation methods (manual binary, NixOS integration), see the [Installation Guide](docs/install.md).
+
+## Quick Start
+
+Get up and running in three steps:
+
+```bash
+# 1. Authenticate to your Renku instance
+rnk login
+
+# 2. Clone a project
+rnk clone <project-ref>
+
+# 3. List running jobs
+rnk job list
+```
+
+## Commands
+
+### Authentication
+
+| Command | Description |
+|---------|-------------|
+| `rnk login` | Perform interactive login to Renku |
+| `rnk logout` | Remove stored credentials |
+
+### Projects
+
+| Command | Description |
+|---------|-------------|
+| `rnk clone <project-ref>` | Clone a project by ID, namespace/slug, or URL |
+| `rnk project clone <project-ref>` | Same as above (full command form) |
+
+### Datasets
+
+| Command | Description |
+|---------|-------------|
+| `rnk dataset deposit` | Manage dataset deposits |
+
+### Jobs
+
+| Command | Description |
+|---------|-------------|
+| `rnk job list` | List jobs |
+| `rnk job start` | Start a job |
+| `rnk job stop` | Stop a job |
+| `rnk job logs` | View job logs |
+
+### Other
+
+| Command | Description |
+|---------|-------------|
+| `rnk version` | Show client and server version info |
+| `rnk update` | Check for and install updates |
+
+## Configuration
+
+All commands share these environment variables:
+
+| Variable | Description |
+|----------|-------------|
+| `RENKU_CLI_RENKU_URL` | Base URL to your Renku instance |
+| `RENKU_CLI_PROJECT_CONTEXT` | Default project context (`<username>/<project>` or project ID) |
+| `RENKU_CLI_ACCESS_TOKEN` | Manual access token (skips `rnk login` if set) |
+
+Global flags available on every command:
+
+- `--format json` — structured JSON output instead of human-readable
+- `--proxy <url>` / `--proxy none` — control proxy usage
+- `-v` / `-q` — increase / decrease log verbosity
+
+For a full list of options, run `rnk --help`.
+
+## Shell Completions
+
+See the [Installation Guide](docs/install.md) for shell completion setup (bash, fish, zsh, powershell).
+
+## Documentation
+
+Full documentation is available in the [docs/](docs/) directory.
+
+## Links
+
+- [Source Code](https://github.com/SwissDataScienceCenter/renku-cli)
+- [Issue Tracker](https://github.com/SwissDataScienceCenter/renku-cli/issues)
+- [Installation Guide](docs/install.md)
+- [Contributing](CONTRIBUTING.md)