Include Linux on repo description and "Setup Falcon Client" page

[cameronelliott]

The repo description says: Free, open-source SQL client for Windows and Mac

The repo description link takes you here: Setup Falcon SQL Client
That page has links and explains how to install on Windows & Mac, but doesn't even mention Linux.

I was about to hightail it outta here and go look for a Linux client, when the screenshot caught my eye, and I finally noticed
the Linux download link!

Thanks for making Falcon, looks awesome, can't wait to try it!