PIGPIO support
What's Changed
- PIGPIO support for IRQ feature (now that wiringPi is no longer shipped with RPi OS)
- improve examples' use of mesh.begin() and renewAddress() by @2bndy5 in #205
- Add topology to ncurses example by @TMRh20 in #207
- various improvments to docs by @2bndy5 in #209
- update python examples per testing by @2bndy5 in #212
- Clang format by @2bndy5 in #213
Full Changelog: v1.1.6...v1.1.7