Update guides welcome text to refer to list instead of specific guides (typst#6685)

Co-authored-by: Laurenz <[email protected]>

Author: 3w36zj6

docs/guides/welcome.md

@@ -4,9 +4,8 @@ description: Guides for Typst.
 
 # Guides
 Welcome to the Guides section! Here, you'll find helpful material for specific
-user groups or use cases. Currently, two guides are available: An introduction
-to Typst for LaTeX users, and a detailed look at page setup. Feel free to
-propose other topics for guides!
+user groups or use cases. Please see the list below for the available guides.
+Feel free to propose other topics for guides!
 
 ## List of Guides
 - [Guide for LaTeX users]($guides/guide-for-latex-users)