Typo on the README

[cr4sh0ut]

Hi, just a small issue but there's a repetition in the README file: please see the screenshot below.
View Date: 14 April 2022
"sign up" is repeated twice below

Use an existing OneGraph app or sign up sign up at OneGraph to create new app.

[RITCHIEsingh]

Hey , I would like to solve this issue. Can I get assigned to this issue ???