Based on https://mincerafter42.github.io/tutorial/webring/
Send a pull request to members.csv, adding a new row with the same format as the existing rows.
You can also send an email to neointeractives@gmail.com with your slug, website's name, and website's URL.
If you are a member, you could add a widget to your website indicating that you are a part of this webring.
Example widget to put on the bottom of your website:
<div id="webring">
A member of the <a href="https://neoint-webring.netlify.app">Neo-Interactives Webring</a>
<br>
<a href="https://neoint-webring.netlify.app/autumnchen/previous">Previous</a> - <a href="https://neoint-webring.netlify.app/autumnchen/next">Next</a>
</div>
You should replace autumnchen
with your slug.