angel: add text to invite clicking

On the home page, we might think there is no content.

Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>

_posts/2024-01-01-Angel-Project.md

@@ -5,7 +5,8 @@ title:  "Angel Project"
 
 ## Introduction
 
-This is the first post on my new blog, an introduction is then mandatory!
+This is the first post on my new blog, an introduction is then mandatory! Check
+here to read it.
 
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