docs: use absolute page URI

This allows us to migrate to any framework that uses normal uri's
We just need to strip all .md endings in a simple grep command

lib/modules/clan/interface.nix

@@ -237,7 +237,7 @@ in
       description = ''
         The `Inventory` submodule.
 
-        For details see the [Inventory](./inventory.md) documentation.
+        For details see the [Inventory](/reference/options/clan_inventory.md) documentation.
       '';
     };
 

lib/modules/inventoryClass/inventory.nix

@@ -84,7 +84,7 @@ in
             - The module MUST have at least `features = [ "inventory" ]` in the frontmatter section.
             - The module MUST have a subfolder `roles` with at least one `{roleName}.nix` file.
 
-            For further information see: [Module Authoring Guide](../../guides/services/community.md).
+            For further information see: [Module Authoring Guide](/guides/services/community.md).
 
         ???+ example
             ```nix