Adafruit-circuitpython-miniesptool

* Added an [example](https://github.com/adafruit/Adafruit_CircuitPython_miniesptool/tree/master/examples) for flashing [nina-fw](https://github.com/adafruit/nina-fw) on an ESP32.

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-miniesptool`.

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

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-miniesptool`.

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

Updated examples for better programming success, including one just for Argons

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-miniesptool`.

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

- Added `setup.py`
- Added PyPI release info to `.travis.yml`
- Added a more comprehensive `.gitignore`
- Updated `README` with PyPI install instructions

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-miniesptool`.

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

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

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