Adafruit-circuitpython-ina260

This release includes:
* Migrating this repository from Travis to GitHub Actions. This has no effect on the behavior of the code itself.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://circuitpython.org/libraries).

To use in CPython, `pip3 install adafruit-circuitpython-ina260`.

Read the [docs](http://circuitpython.readthedocs.io/projects/ina260/en/latest/) for info on how to use it.

This release fixes a typo in the simpletest that was reported by a user.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-ina260`.

Read the [docs](http://circuitpython.readthedocs.io/projects/ina260/en/latest/) for info on how to use it.

This release addresses issues using the library with Blinka

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-ina260`.

Read the [docs](http://circuitpython.readthedocs.io/projects/ina260/en/latest/) for info on how to use it.

This is a quick patch to update the product URL to the live version

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-ina260`.

Read the [docs](http://circuitpython.readthedocs.io/projects/ina260/en/latest/) for info on how to use it.

voltage` has been updated to return volts instead of millivolts.

This release includes the basic functionality of
* Current, Voltage, and Power measurement
* Mode selection between continuous, triggered, and shutdown
* Tunability of measurement average window and measurement time

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-ina260`.

Read the [docs](http://circuitpython.readthedocs.io/projects/ina260/en/latest/) for info on how to use it.