Changed file-structure.md image to reflect v6 structure

Signed-off-by: nati <[email protected]>

Author: PopNatanael

docs/book/v6/introduction/file-structure.md

@@ -6,7 +6,8 @@ It is considered good practice to standardize the file structure of projects.
 
 When using Dotkernel Admin the following structure is installed by default:
 
-![Dotkernel Admin File Structure!](https://docs.dotkernel.org/img/admin/file-structure-dk-admin.jpg)
+![Dotkernel Admin File Structure!](https://docs.dotkernel.org/img/admin/v6/file-structure-dk-admin.jpg
+)
 
 ## Special purpose folders