Your theme will be submitted for review to be distributed on the official WordPress.org Theme Directory.
Read the requirements before updating a theme
In order to have your theme hosted on WordPress.org, your code is required to comply with all the requirements on the Theme Review Teams handbook page.
Before you can upload a new theme, please log in.
How to upload a theme update
If you are uploading a theme update, simply increase the version inside of
style.css and upload the
theme-name.zip file again, just like you do with a new theme.