Is there an existing issue for this?

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What happened?

In the start_backend function of the script, there's a bug that causes the backend server to not start correctly. Before navigating to the backend directory using cd backend, the script needs to go one level up by using cd ... Without this, the script may fail to locate the backend directory, resulting in an error.

Steps to Reproduce:
Run the script from the root of the project.
Observe that the backend server fails to start due to incorrect directory navigation.
Expected Behavior:
The script should navigate to the correct directory before starting the backend server.

Solution:
Add cd .. before navigating to the backend directory in the start_backend function to ensure the correct directory is accessed.

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