fix: respect geekdocFileTreeSortBy parameter while creating the toc tree (#771)

exampleSite/content/en/shortcodes/toc-tree.md

@@ -8,10 +8,18 @@ The `toc-tree` shortcode will generate a Table of Content from a section file tr
 
 <!-- prettier-ignore-start -->
 ```tpl
-{{</* toc-tree */>}}
+{{</* toc-tree [sortBy="title"] */>}}
 ```
 <!-- prettier-ignore-end -->
 
+### Attributes
+
+<!-- prettier-ignore-start -->
+<!-- spellchecker-disable -->
+{{< propertylist name=shortcode-toc-tree sort=name order=asc >}}
+<!-- spellchecker-enable -->
+<!-- prettier-ignore-end -->
+
 ## Example
 
 As said, the root will be the site on which the shortcode was used, you can see a demo including nesting in the [ToC Tree](/toc-tree/) section.

exampleSite/data/properties/shortcode-toc-tree.yaml

@@ -0,0 +1,8 @@
+---
+properties:
+  - name: sortBy
+    type: string
+    description: |
+      Override the default sort parameter set by [`geekdocFileTreeSortBy`](/usage/configuration/#site-configuration).
+    required: false
+    defaultValue: .Site.Params.geekdocFileTreeSortBy