markup/tableofcontents: Add config option for ordered list

content/en/getting-started/configuration-markup.md

@@ -70,4 +70,7 @@ startLevel
 : The heading level, values starting at 1 (`h1`), to start render the table of contents.
 
 endLevel
-: The heading level, inclusive, to stop render the table of contents.
+: The heading level, inclusive, to stop render the table of contents.
+
+ordered
+: Whether or not to generate an ordered list instead of an unordered list.

data/docs.json

@@ -1387,7 +1387,8 @@
       },
       "tableOfContents": {
         "startLevel": 2,
-        "endLevel": 3
+        "endLevel": 3,
+        "ordered": false
       },
       "goldmark": {
         "renderer": {