Update README.md

README.md

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 </details>
 
 <details>
-<summary markdown="span"> Proxmox LXC Updater</summary>
+<summary markdown="span"> 🔸Proxmox LXC Updater</summary>
  
 <p align="center"><img src="https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Felpuig.xeill.net%2FMembers%2Fvcarceler%2Farticulos%2Fcontenedores-con-lxd-lxc%2Fcontainers.png&f=1&nofb=1" height="100"/></p>