Update README with instructions

Author: manishrjain

README.md

@@ -8,18 +8,43 @@ This website is built using [Docusaurus 2](https://docusaurus.io/), a modern sta
 $ yarn
 ```
 
+```
+$ npm version
+{
+  docs: '0.0.0',
+  npm: '8.5.0',
+  node: '16.14.2',
+  v8: '9.4.146.24-node.20',
+  uv: '1.43.0',
+  zlib: '1.2.11',
+  brotli: '1.0.9',
+  ares: '1.18.1',
+  modules: '93',
+  nghttp2: '1.45.1',
+  napi: '8',
+  llhttp: '6.0.4',
+  openssl: '1.1.1n+quic',
+  cldr: '40.0',
+  icu: '70.1',
+  tz: '2021a3',
+  unicode: '14.0',
+  ngtcp2: '0.1.0-DEV',
+  nghttp3: '0.1.0-DEV'
+}
+```
+
 ### Local Development
 
 ```
-$ yarn start
+$ yarn start # or, 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
+$ yarn build # or, npm run build
 ```
 
 This command generates static content into the `build` directory and can be served using any static contents hosting service.