Updated CONTRIBUTING.md

Author: Mindstormman06

.github/CONTRIBUTING.md

@@ -5,23 +5,22 @@ Thanks for your interest in contributing! Here's what you need to know.
 ## Getting started
 
 1. Fork the repository and clone your fork
-2. Run `npm install` to install Node dependencies
-3. Run the setup script for Python: `scripts/setup.ps1` (Windows) or `scripts/setup.sh` (Linux/macOS)
-4. Open the project in VS Code and press `F5` to launch the extension in a dev host window
+2. Run the script to setup the development environment: `scripts/init-dev-env.ps1` (Windows) or `scripts/init-dev-env.sh` (Linux/macOS)
+3. Open the project in VS Code and press `F5` to launch the extension in a dev host window
 
 ## Before submitting a PR
 
 - Make sure the extension builds: `npm run build`
 - Run `npm run fix` to lint and format both TypeScript and Python
-- Keep changes focused — one concern per PR
+- Keep changes focused - one concern per PR
 - Reference any related issue in your PR description (e.g. `Closes #123`)
 - Don't include unrelated formatting or whitespace changes
 
 ## Code style
 
-- TypeScript source lives in `src/`, Python scripts in `python/`
+- TypeScript source lives in `src/`, Python scripts in `python/`, and local dependencies in `vendor/`
 - Follow the existing patterns in the file you're editing
-- Run `npm run fix` before submitting — this runs both TypeScript and Python linting and formatting in one step
+- Run `npm run fix` before submitting - this runs both TypeScript and Python linting and formatting in one step
 
 ## Questions?