I am trying to achieve the following:-
1) I have a custom SharePoint list with 2 fields (Title & Comment).
2) I want to embed the list create form inside a modern SharePoint page, where the embed page will show the 2 fields + a submit button, as follow:-

so i am not sure how i can achieve this?
i know that i can embed a powerapp inside a SharePoint modern page as follow:-

but how i need to build the powerapp? can i embed a customized form? or i need to build a pure app?