readme: hide badges in derived versions of readme

cagix · cagix · commit 936d560defad · 2025-04-08T17:14:45.000+02:00
diff --git a/readme.md b/readme.md
@@ -17,6 +17,8 @@ has_license: true
   [daringfireball.net]: https://daringfireball.net/2020/04/cobol_programming_coding
 
 
+::: slides
+
 ---
 
 **Read Online**:
@@ -27,6 +29,8 @@ has_license: true
 
 ---
 
+:::
+
 
 ## Kursbeschreibung
 
