Update 'README.md'

README.md

@@ -1,3 +1,5 @@
-# free-ai-image-prompts
+# Raphael AI — free AI image generator
 
-Raphael AI — free AI image generator
+[Raphael AI](https://raphael.app) turns text prompts into images in seconds. No account required to try.
+
+https://raphael.app