chore: update readme

Author: mariinkys

README.md

@@ -15,6 +15,8 @@ The flashcards generated by this software may contain errors, revision of the fl
 
 ## How to Use?
 
+This software is now self-hostable with the image provided: [DockerHub Image](https://hub.docker.com/r/mariinkys/delphinus_flashcards)
+
 [See the FAQ](https://delphinus.mariinkys.dev/faq)
 
 ## Development Notes