Add Thrive

[horia141]

Thanks for taking the time to suggest an addition to awesome-selfhosted!

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[Rabenherz112]

A personal recommendation from reviewing your GitHub repo: It was somewhat difficult to find the Installation/Documentation page. At first, I didn’t realize that the web app link actually led to the website. Might want to make this clearer.

[kokomo123]

Seeing as the appropriate changes have been made, LGTM!