docs: Update docs/README for npm commands and automated deployment pr…

…ocess.

docs/README.md

@@ -1,41 +1,32 @@
 # Website
 
-This website is built using [Docusaurus](https://docusaurus.io/), a modern static website generator.
+This website is built using [Docusaurus][docusaurus], a modern static website generator.
 
 ### Installation
 
 ```
-$ yarn
+$ npm install
 ```
 
 ### Local Development
 
 ```
-$ yarn start
+$ npm run start
 ```
 
 This command starts a local development server and opens up a browser window. Most changes are reflected live without having to restart the server.
 
 ### Build
 
 ```
-$ yarn build
+$ npm run build
 ```
 
 This command generates static content into the `build` directory and can be served using any static contents hosting service.
 
 ### Deployment
 
-Using SSH:
+This site is automatically deployed by [a GitHub workflow][deploy-github-pages] on every push to the `main` branch.
 
-```
-$ USE_SSH=true yarn deploy
-```
-
-Not using SSH:
-
-```
-$ GIT_USER=<Your GitHub username> yarn deploy
-```
-
-If you are using GitHub pages for hosting, this command is a convenient way to build the website and push to the `gh-pages` branch.
+[docusaurus]: https://docusaurus.io/
+[deploy-github-pages]: /.github/workflows/deploy-gh-pages.yaml