docs: add CONTRIBUTING.md and CI badge to README

CONTRIBUTING.md

@@ -0,0 +1,70 @@
+# Contributing to agent-browser
+
+Thank you for your interest in contributing! This guide will help you get started.
+
+## Development Setup
+
+### Prerequisites
+
+- Rust 1.75+ (install via [rustup](https://rustup.rs))
+- Node.js 18+ (for npm integration)
+- Chrome or Chrome for Testing
+
+### Clone and Build
+
+```bash
+git clone https://github.com/dextonai/agent-browser.git
+cd agent-browser
+cargo build
+```
+
+### Run Tests
+
+```bash
+cargo test
+```
+
+### Run Locally
+
+```bash
+cargo run -- --help
+```
+
+## Project Structure
+
+```
+src/
+  main.rs          # CLI entry point
+  browser/         # Browser automation core
+  protocol/        # CDP protocol handling
+  commands/        # CLI command implementations
+```
+
+## Coding Style
+
+- Follow standard Rust conventions (`rustfmt` + `clippy`)
+- Use `cargo fmt` before committing
+- Run `cargo clippy -- -D warnings` to catch lint issues
+- Write descriptive commit messages
+- Add tests for new functionality
+
+## Submitting a Pull Request
+
+1. Fork the repository
+2. Create a feature branch: `git checkout -b my-feature`
+3. Make your changes
+4. Run `cargo fmt` and `cargo clippy`
+5. Run `cargo test` to ensure all tests pass
+6. Commit with a descriptive message
+7. Push to your fork: `git push origin my-feature`
+8. Open a Pull Request against `main`
+
+## Reporting Issues
+
+- Use GitHub Issues for bugs and feature requests
+- Include steps to reproduce for bugs
+- Include your OS, Rust version, and Node.js version
+
+## Code of Conduct
+
+Be respectful and constructive in all interactions.

README.md

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 # agent-browser
 
+[![CI](https://github.com/dextonai/agent-browser/actions/workflows/ci.yml/badge.svg)](https://github.com/dextonai/agent-browser/actions/workflows/ci.yml)
+
 Browser automation CLI for AI agents. Fast native Rust CLI.
 
 ## Installation