How i change home page url only

Thank you so much for your help, We need support from your team, we already developed our project in laravel 5.8 . Now our project integrated to laraship with the help of your tech team and working fine. In our project shopping and multi vendor are separate part and needed. Example: my_project_url/ -> go to my project home page my_project_url/buy_sell -> go to your home page(laraship shopping page) Let me share how i change home page url only( url only need to change, other options are need).