🩹 Add README.md missing elems

Previous commit mentioned adding badges, but they were not saved to disk. Added.

Author: KagemniKarimu

README.md

@@ -1,4 +1,7 @@
 ![scriptorium_logo_alpha.png](livebook/files/scriptorium_logo_alpha.png)
+[![Build](https://img.shields.io/github/actions/workflow/status/kagemnikarimu/scriptorium/docker-image.yml?style=flat-square)](https://github.com/kagemnikarimu/scriptorium/actions)
+![Docker Pulls](https://img.shields.io/docker/pulls/kagemnikarimu/scriptorium)
+![Docker Image Size (latest by date)](https://img.shields.io/docker/image-size/kagemnikarimu/scriptorium)
 
 # 🔮 scriptorium
 the universal manuscript livebook & learning center