How do i make a webapp to publish it on the store

[supervisor]

Im currently trying to make a webapp for https://www.tracle.tv but i cant figure out how to make it a webapp. (Ps i obly have windows and a mac currently if it is only able to be made on linux than idk what i am gonna do)

[arubislander]

@supervisor just you the Webber app from Open Store and create a webapp with that. No need to publish it though.