Release 2.0.0

Breaking Changes

• This repo is now a Zephyr driver. The repository should be included as a module in your project's
  west.yml file. The driver is automatically selected for build when an Ostentus node (with
  compatible golioth,ostentus) is present in your devicetree.

Added

• Functions to read byte and multiple-bytes from Ostentus to host device
• Function to read firmware version from Ostentus to host device
• Function to reset Ostentus
• This library is now a Zephyr driver

Changed

• Updated example usage