Jeff Epler 1ef4e3c738
Add Adafruit TFT Experiment (rev A)
There will be a revision but get the basics in for now.

This successfully displays on a TL040HDS20-B1502A screen with:
```
import board
from framebufferio import FramebufferDisplay
from dotclockframebuffer import DotClockFramebuffer
from displayio import release_displays

tft_pins = board.TFT
tft_timings = {
    "frequency": 6_500_000,
    "width": 720,
    "height": 720,
    "hsync_pulse_width": 20,
    "hsync_front_porch": 40,
    "hsync_back_porch": 40,
    "vsync_pulse_width": 10,
    "vsync_front_porch": 40,
    "vsync_back_porch": 40,
    "hsync_idle_low": False,
    "vsync_idle_low": False,
    "de_idle_high": False,
    "pclk_active_high": False,
    "pclk_idle_high": False,
}

release_displays()
fb = DotClockFramebuffer(**tft_pins, **tft_timings)
disp = FramebufferDisplay(fb)
```
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CircuitPython
=============

.. image:: https://s3.amazonaws.com/adafruit-circuit-python/CircuitPython_Repo_header_logo.png

|Build Status| |Doc Status| |License| |Discord| |Weblate|

`circuitpython.org <https://circuitpython.org>`__ \| `Get CircuitPython <#get-circuitpython>`__ \|
`Documentation <#documentation>`__ \| `Contributing <#contributing>`__ \|
`Branding <#branding>`__ \| `Differences from Micropython <#differences-from-micropython>`__ \|
`Project Structure <#project-structure>`__

**CircuitPython** is a *beginner friendly*, open source version of Python for tiny, inexpensive
computers called microcontrollers.

This package contains the "stubs", or type definitions for CircuitPython.  With some advanced
editors and other tools, this information can be identify TypeErrors, AttributeErrors, and other
problems before you deploy your code to a device and can even help autocomplete your code.

.. |Build Status| image:: https://github.com/adafruit/circuitpython/workflows/Build%20CI/badge.svg
   :target: https://github.com/adafruit/circuitpython/actions?query=branch%3Amain
.. |Doc Status| image:: https://readthedocs.org/projects/circuitpython/badge/?version=latest
   :target: http://circuitpython.readthedocs.io/
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   :target: https://adafru.it/discord
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   :target: https://choosealicense.com/licenses/mit/
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