Update readme to replace placeholder image link and remove duplicate image

- **readme.adoc**:
  - Replaced `= orly.lol` with `image:./orly.png[orly.dev]` for better branding.
  - Removed duplicate `image:./orly.png[orly.png]` line to clean up content.

readme.adoc

@@ -1,4 +1,4 @@
-= orly.lol
+= image:./orly.png[orly.dev]
 :toc:
 :note-caption: note 👉
 
@@ -6,8 +6,6 @@ image:https://img.shields.io/badge/godoc-documentation-blue.svg[Documentation,li
 image:https://img.shields.io/badge/donate-geyser_crowdfunding_project_page-orange.svg[Support this project,link=https://geyser.fund/project/orly]
 zap me: ⚡️mlekudev@getalby.com
 
-image:./orly.png[orly.png]
-
 nostr relay built from a heavily modified fork of https://github.com/nbd-wtf/go-nostr[nbd-wtf/go-nostr]
 and https://github.com/fiatjaf/relayer[fiatjaf/relayer] aimed at maximum performance, simplicity and memory efficiency.