Apply SPDX copyright and license headers in compliance with REUSE.#8

Merged

dhalbert merged 3 commits intoadafruit:masterfrom Flameeyes:master

May 20, 2020

+80-2

Commits on May 15, 2020

Update copyright in LICENSE to just reference Adafruit Industries.
Flameeyes
committed
Apply SPDX copyright and license headers in compliance with REUSE.
Flameeyes
committed
Add pre-commit hooks for reuse and basic checkers.
Flameeyes
committed