[BUG] Markdown hyperlink doesn't work as table of contents.

[rbjnazz]

Some repository use a hyperlink on their README.md as table of contents.

Example:

## Table of Contents

- [Fixing errors](#Fixing-errors)
- [New in v3](#New-in-v3)
- [Install](#Install)
  - [Linux](#Linux)
   - [Debian](#Debian)
   - [Fedora](#Fedora)
   - [Arch](#Arch)
   - [From source](#Installing-from-source)
  - [MacOS](#MacOS)
  - [Windows](#Windows)
  - [Android](#Android)
- [Uninstall](#Uninstall)
- [Dependencies](#Dependencies)

Expected behavior: Jump to the particular part of the document.

[LightDestory]

We don't have direct support of markdown files, so we display them with a viewer that doesn't support anchors.