New LinuxCNC-Ethercat git tree

I have just learned, why the lcec_dems300 is so simple. There are just very few PDOs defined. (as part of CIA402 standard I guess?).

link to fdarling's sample code if you don't already have it by now.

forum.linuxcnc.org/media/kunena/attachme...st.tar_2023-10-30.gz