question about the index page

[liusanchuan]

hello, thanks for your great work. i'm using it on my blog.
and i have a question about the" welcome " page.
I don't know how to modify it . Can you give me some advice.
I want to delete the welcome page as bellow.

Welcome
This is the Edition template from CloudCannon. Edition is perfect for documenting your product, application or service. It’s populated with example content to give you some ideas.

ChatApp is a fictional chat application for sending messages and media to others. Teams and friend groups would use ChatApp to stay up to date if it existed.