🐛 Search not working in API Reference

[mtrezza]

Describe the bug
Searching with browser in API References, only the content window (right pane) is searched. The index window where all the commands are listed (left pane) is not searched.

To Reproduce
Steps to reproduce the behavior:

1. Go to https://parse-community.github.io/Parse-SDK-JS/api/
2. Search in browser for a command in the left window
3. Search returns no results

Expected behavior
Search should include the left command index window.

Desktop (please complete the following information):

• OS: macOs
• Browser Safari Version 13.0.4 (15608.4.9.1.3)

Additional context