Allows users to enable a boost mode.
This allows you to hold down the button near the tip while soldering to
temporarily boost the soldering temperature.
Closes#10
* Removing USB
Need to refine the drive to the iron tip
* Update README.md
* * Rewrite all code from scratch
* Only kept settings
* New font
* New PID
* New Menus
* Use Hardware I2C
* Faster System
* Better Heating Time
* No USB
* Full Menu System