add first documentation stuff and pictures

add style stuff
add svg images for buttons

move png images to originalimg folder
Merge branch 'dev' into feature/doc
Merge branch 'dev' into feature/doc
add general joystick description

add several pictures
add documentation for mfd_writer

add int types for 64 bits for color2button and mfd_writer
rename classes PublishObject inside mfd_writer and value2buttoncolor
add C&P launch code
add missing image to img
add documentation

for value2buttonColor
for mfd_writer
for main node
update doxyfile
change .gitignore: new doxygen generation directory
Merge branch 'feature/doc' into dev
remove original images