THT Version from @bwack

Thanks to @bwack, there is now a through hole version of nunchuk64 available.
I made a new release tag, the firmware stays the same like in 1.2.0.

Thank you very much for this contribution.

SPARKFOX Controller Support

• Added Support for a new Controller called SPARKFOX Wireless TURBO Controller for SNES Classic Min. (W60N107 Wireless TURBO Controller)
• Added Support for 8Bitdo Gamepad LT und RT Buttons

8bitdo Controller Support

• added support for 8bitdo SF30
• cleaned up code
• weird NES classic MINI Clone Code is not needed anymore, saves program memory

First official Release

• support for Button2 und Button3
• cleaned up analog modes
  see: https://github.com/djtulan/nunchuk64/tree/master/supported_controllers for all different modes

Joystick Switcher Mode

• Mode to Exchange Joy1 and Joy2
• added different analog modes for nunchuk and wii classic controller
• disable analog inputs in joystick modes
• updated documentation (supported controllers)

Single Controller Operation

This is a big step forward to the first non-pre-release version.

• Single operation is now possible
• unplug and reconnect of controllers is now possible to without influencing the second connected controller

Autofire & Watchdog

• added Watchdog. no disconnect of adapter is needed now, just connect the controllers
• added autofire function

original Nunchuk Fix

• original Nunchuk is working now.

SNES controller support

• SNES Clone Support
• SPACE (Button A Joystick) if you press START on one of the two controllers
• More LED States, which means more modes for the future

Bugfixed Double Nunchuk

• init with two connected Nunchuk devices works now
• toggle joystick/accelerometer mode with pushbutton (LED is Off/On)