chore: update readme (#4)

README.md

@@ -2,40 +2,22 @@
 
 This website is built using [Docusaurus 2](https://docusaurus.io/), a modern static website generator.
 
-### Installation
+## Development
 
-```
-$ yarn
-```
-
-### Local Development
-
-```
-$ yarn 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
+Install dependencies:
 
 ```
-$ yarn build
+pnpm install
 ```
 
-This command generates static content into the `build` directory and can be served using any static contents hosting service.
-
-### Deployment
-
-Using SSH:
+Start the development server:
 
 ```
-$ USE_SSH=true yarn deploy
+pnpm start
 ```
 
-Not using SSH:
+The `start` command starts a local development server and opens up a browser window. Most changes are reflected live without having to restart the server.
 
-```
-$ GIT_USER=<Your GitHub username> yarn deploy
-```
+## License
 
-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.
+[MIT](LICENSE)