docs(blog): add author / date to preview

packages/docs/src/pages/en/blog/index.md

@@ -20,6 +20,10 @@ Latest news, updates, and stories about Vuetify.
 
 ## State of the Union 2024
 
+🖊️ John Leider • 📅 September 8th, 2024
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 It's been a long road to get where we are today, and looking back, I can’t help but feel proud of how far Vuetify has come. From humble beginnings to now surpassing Vuetify 2’s usage, the journey has been anything but easy, but we’ve always had our community to lean on. Today, I want to take some time to reflect on our past, acknowledge our wins and challenges, and share where we're headed... { .text-medium-emphasis }
 
 [Read More](/blog/state-of-the-union-2024/) { .text-end }
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