Documentation texts for some boards v1.1 added *AND_and_NAND *Adapter *BCD_Counter *Comparator *LED_Display *Multiplexer *OR_and_NOR *Square_Wave *Universal_Register *XOR_and_XNOR

Documentation for boards updated *pdf with schematics in 'doc' for board versions 1.1 replaced by new files *Aufbau_der_Bausaetze.pdf moved from 'assembly' to 'doc'

Merge branch 'master' of https://github.com/mexdulon/tetra-Boards

Gerber Files for Boards v1.1 and Updates for Boards v1.0 +gerber folder added with gerber files for boards v1.1 *assembly layout images added *bom csv files added *pdf files from pdf folder switched to doc folder -pdf folder removed

Create README.md

*assembly/Aufbau_der_Bausaetz.pdf updated with SI units

*assembly/Aufbau_der_Bausaetz.pdf updated

-removed ExampleRGB.ino folder and renamed file ExampleRGB.ino.ino -> ExampleRGB.ino

*arduino library folder renamed and files updated +arduino examples added

+lib-Arduino folder with library files for use with Arduino (h, cpp)