message: adds simpler instructions to install odrive on OSX
  Just a proposal, but it made my installation a lot smoother on OSX.
diff: @@ -76,7 +76,26 @@ Most instructions in this guide refer to a utility called `odrivetool`, so you s
  * Check 'List All Devices' from the options menu, and select 'ODrive 3.x Native Interface (Interface 2)'. With that selected in the device list choose 'libusb-win32' from the target driver list and then press the large 'install driver' button.
  -### Linux/macOS
  +### OSX
  +1. If you don't already have it, install homebrew:
  +```
  +/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
  +
  +```
  +2. Install python:
  +```
  +brew install python
  +```
  +3. If you get the error: `Error: python 2.7.14_2 is already installed`, then upgrade to Python 3 by running:
  +```
  +brew upgrade python
  +```
  +4. Now that you have Python 3 and all the package managers, run:
  +```
  +pip3 install odrive
  +```
  +
  +### Linux
  1. [Install Python 3](https://www.python.org/downloads/).
  2. Install the ODrive tools by opening a terminal and typing `pip install odrive` <kbd>Enter</kbd>
  