Adafruit-circuitpython-portalbase

This release adds `adafruit_miniqr` to the setup.py list of install requirements so that it will be installed automatically by pip. Thank you tekktrik

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

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

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

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

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

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

Added an example folder showcasing usage of a `PortalBase` subclass. Thanks FoamyGuy !

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

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

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

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

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

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

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

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

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

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

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

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