How to create custom sitemap for my backlinks?

I need help about how to create a custom sitemap for my backlinks, so I can submit it to google search console for faster indexing of my backlinks.

Example: Creating a sitemap that consists of my website social profile links.

Sitemap Index Urls:

https://twitter.com/mywebsite-com https://facebook.com/mywebsite-com https://instagram/mywebsite-com

Topic sitemap Wordpress

Category Web

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