docs: update readme file

README.md

@@ -190,6 +190,14 @@ cd bandada && yarn
 
 ## 📜 Usage
 
+### Copy the API environment variables
+
+Run this command to copy the [environment variables used by the API](https://github.com/privacy-scaling-explorations/bandada?tab=readme-ov-file#environment-variables):
+
+```bash
+cp apps/api/.env.example apps/api/.env
+```
+
 ### Starting applications
 
 Run the following command to start the applications in a development environment:
@@ -204,6 +212,26 @@ or the following command to start the applications in production mode:
 yarn start
 ```
 
+### Application urls
+
+#### Development environment
+
+Bandada API: http://localhost:3000
+Bandada Dashboard: http://localhost:3001
+Bandada Client App: http://localhost:3002
+
+#### Production environment
+
+Bandada API: https://api.bandada.pse.dev
+Bandada Dashboard: https://bandada.pse.dev
+Bandada Client App: https://client.bandada.pse.dev
+
+#### Staging environment
+
+Bandada API: https://api-staging.bandada.pse.dev
+Bandada Dashboard: https://staging.bandada.pse.dev
+Bandada Client App: https://client-staging.bandada.pse.dev
+
 ### Building libraries/applications
 
 Run the following command to build the libraries/applications: