CI: Fixing the documentation build

.github/workflows/documentation.yml

@@ -16,7 +16,7 @@ jobs:
           args: docs/docfx.json
       - name: Update the docs
         run: |
-          cd _site
+          cd docs/_site
           git config --global user.email "${GITHUB_ACTOR}@github.com";
           git config --global user.name "${GITHUB_ACTOR}";
           git init

src/Kyoo.Core/Controllers/FileSystems/FileSystemComposite.cs

@@ -207,10 +207,10 @@ namespace Kyoo.Core.Controllers
 				{
 					IResource res => Combine(
 						_options.CurrentValue.MetadataPath,
-						typeof(T).Name.ToLowerInvariant(),
+						typeof(T).Name.ToLower(),
 						res.Slug
 					),
-					_ => Combine(_options.CurrentValue.MetadataPath, typeof(T).Name.ToLowerInvariant())
+					_ => Combine(_options.CurrentValue.MetadataPath, typeof(T).Name.ToLower())
 				};
 			return await CreateDirectory(path);
 		}