Add anchors to ContentTableSection

[dobromir-hristov]

Bug/issue #, if applicable: 79432376

Summary

This PR adds anchors to topic link sections, so users can link to them from content.

Dependencies

Docc needs to implement this and update the RenderJSON spec.

{
            "TasksGroupSection": {
                "required": [
                    "title",
                    "identifiers"
                ],
                "type": "object",
                "properties": {
                    "title": {
                        "type": "string"
                    },
                    "abstract": {
                        "type": "array",
                        "items": {
                            "$ref": "#/components/schemas/RenderInlineContent"
                        }
                    },
                    "discussion": {
                        "$ref": "#/components/schemas/ContentRenderSection"
                    },
                    "identifiers": {
                        "type": "array",
                        "items": {
                            "type": "string"
                        }
                    },
                    "generated": {
                        "type": "boolean"
                    },
+                 "anchor":{
+                     "type": "string"
+                  }
                }
            },
}

Testing

User the provided archive - TinyMixedLanguageLibrary.doccarchive.zip

Steps:

1. Go to http://localhost:8080/documentation/tinymixedlanguagelibrary/mixedlangclass
2. Click on Initializers link
3. Assert you are scrolled to that part of the page.

Checklist

Make sure you check off the following items. If they cannot be completed, provide a reason.

• Added tests
• Ran npm test, and it succeeded
• Updated documentation if necessary

[marinaaisa]

Reviewed and tested. Looks good :)

[mportiz08]

Closing since #408 will likely make this necessary and adds an additional feature. (We always can re-open if necessary at a later point)