docs: enhance readme

Author: openscript

README.md

@@ -32,11 +32,11 @@ This theme provides the following components:
 
 1. Make sure you have [Docker](https://docs.docker.com/get-docker/) up and running
 1. Get [Visual Studio Code](https://code.visualstudio.com/) with [Dev Containers](https://code.visualstudio.com/docs/devcontainers/containers) ready
-1. Open the project inside a Dev Container and run `npm install`
+1. Open the project inside a Dev Container and run `pnpm install`
    - If needed for export or screenshots, install playwright dependencies with `sudo npx playwright install-deps`
-1. `npm run dev` to start theme preview of `example.md`
+1. `pnpm run dev` to start theme preview of `example.md`
 1. Edit the `example.md` and style to see the changes
-1. `npm run export` to generate the preview PDF
-1. `npm run screenshot` to generate the preview PNG
+1. `pnpm run export` to generate the preview PDF
+1. `pnpm run screenshot` to generate the preview PNG
 1. Commit and push your changes or create a pull request
-1. Release a new version with `npm run release:patch`, `npm run release:minor` or `npm run release:major`
+1. Release a new version with `pnpm run release:patch`, `pnpm run release:minor` or `pnpm run release:major`