chore: Add link to original announcement to the readme

Author: rthrash

README.md

@@ -1,4 +1,4 @@
 # modAI
 A generative AI Extra for MODX Revolution 3.0 and later. It’s perfect for creating content quickly or speeding up optimizing SEO-related content including page titles, meta titles, meta descriptions, page summaries, and images/alt text (finally, an easy-button for Open Graph sharing images or hero sections).
 
-Read the [documentation](https://modxcms.github.io/modAI/).
+Read the [documentation](https://modxcms.github.io/modAI/) or [the latest announcment](https://modx.com/blog/generative-ai-content-for-modx-revolution-with-modai).