How to customize your Google Chrome and Chromebook searches

I just reviewed the Google Pixelbook and I think it’s great — but Chrome OS is much more limited than either macOS or Windows when it comes to customizing how the core OS works. One of my favorite tools on the Mac is called Alfred, a tool that pops up a little search bar that can do basically anything you can think to program into it. I use it so much I have replaced my Caps Lock key with it and when I use a Chromebook, I miss it terribly.
But! Chromebooks have a similar text box, it