Add atmega88au reference manual and links to further documentation
Add uMIDI logo svg and png
Add logo to startpage
Add input protection diode to bom
Ignore *.T3000OPEN files
Finish MIDI I/O schematic
Add section "In System Programming"
Draw AVR ISP circuit and power distribution net
Connect UART and reset toggle switch
Add LED datasheets
Draw periphery subcircuit, add content to frame