Create README.md

Author: mosh-hamedani

README.md

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+# Playground Start
+
+This is the starter code for the playground project we use in part 2 of my React course. 
+
+## Getting Started
+
+To get started, follow these steps:
+
+1. Clone this repository to your local machine.
+2. Run `npm install` to install the required dependencies.
+3. Run `npm run dev` to start the web server. 
+
+## About the Course
+
+This repository belongs to part 2 of my React course covering intermediate-level topics. 
+
+- Fetching and updating data with React Query
+- All about reducers, context, and providers
+- Managing application state with Zustand
+- Routing with React Router 
+
+You can find the course at https://codewithmosh.com