I followed the steps to access the frontend folder of the WSO2 the steps in the documentation, but in the 3rd step it didn’t run the mentioned command and even the next one the following step that folder src under the devportal doesn’t exist or neither the other folders

I followed the steps to access the frontend folder of the WSO2 the steps in the documentation, but in the 3rd step it didn’t run the mentioned command and even the next one the following step that folder src under the devportal doesn’t exist or neither the other folders