Readme syntax issue with yarn

NitPick: In the readme, we have following installation scripts

<img width="305" height="119" alt="Image" src="https://github.com/user-attachments/assets/608b2b04-c9df-41d2-87b6-cddb08b143dd" />

But since `yarn` only allows packages to install with `yarn add` - `yarn install` won't work.