Add table of contents to the documentation page sidebar

[caendesilva]

Adds a configurable table of contents to the documentation page sidebar. By default, heading levels between 2 and 4 are added.

// config/hyde.php

    /*
    |--------------------------------------------------------------------------
    | Documentation Table of Contents Settings
    |--------------------------------------------------------------------------
    |
    | The Hyde Documentation Module comes with a fancy Sidebar that, by default,
    | has a Table of Contents included. Here, you can configure its behavior,
    | content, look and feel. You can also disable the feature completely.
    |
    */

    'documentationPageTableOfContents' => [
        'enabled' => true,
        'minHeadingLevel' => 2,
        'maxHeadingLevel' => 4,
        'smoothPageScrolling' => true,
    ]