Add data and edite readme...

README.md

@@ -29,8 +29,6 @@ npm install
 
 ## 🛠 Available Scripts
 
-In the project directory, you can run:
-
 ```bash
 npm run dev
 ```
@@ -55,6 +53,16 @@ npm run lint
 
 Checks the code for linting issues.
 
+## ⚙️ Environment Variables
+
+Create a `.env` file in the root directory with the following variables:
+
+```
+REACT_APP_API_URL=https://back-dev.clinic-pro.ir
+REACT_APP_CLIENT_ID=NWuujdYHjtAtrhrk_zoWB3w0kyf56wRCOaY36MIqvbs
+REACT_APP_CLIENT_SECRET=trhrk_zoWB3w0kyf
+```
+
 ## 🌐 Features
 
 - ✅ Responsive design using MUI and Tailwind