Merge pull request #416 from md61421/firebase/docs

fix: getting started instructions

README.md

@@ -28,9 +28,10 @@ To get started with this project, you'll need to follow these steps:
 
 1. Install Node.js and MongoDB on your local machine.
 2. Clone this repository to your local machine.
-3. Install the project dependencies by running `npm install` in the app directory.
-4. Start the app by running `npm run dev` in the directory (`cd app`).
-5. Open your web browser and navigate to `http://localhost:5173`.
+3. Retrieve the API key from the official [Firebase website](https://firebase.google.com/) and use it in [auth.js](https://github.com/Stoccoin-Official/Stoccoin-Website/blob/main/app/src/firebase/auth.js).
+4. Install the project dependencies by running `npm install` in the app directory.
+5. Start the app by running `npm run dev` in the directory (`cd app`).
+6. Open your web browser and navigate to `http://localhost:5173`.
 
 ## Contributing