fix: update links in index.mdx to include correct path for code_aster resources according to github pages routing

Author: basile-simvia

src/content/docs/index.mdx

@@ -8,10 +8,10 @@ hero:
     file: ../../assets/code_aster.png
   actions:
     - text: code_aster catalog
-      link: /catalog/code_aster_17/
+      link: /code-aster-dockerhub/catalog/code_aster_17/
       icon: right-arrow
     - text: Some tips to use the simvia's code_aster docker images 
-      link: /usage/installation
+      link: /code-aster-dockerhub/usage/installation
       icon: external	
       variant: minimal
 ---