Add nodes, function and protocols for N1, N2 and N3 interfacing 90/7890/1
-rw-r--r-- 963 .gitignore
-rw-r--r-- 95 .gitreview
-rw-r--r-- 1367 INFO.yaml
-rw-r--r-- 82 README.md
drwxr-xr-x - data-model
drwxr-xr-x - docs
drwxr-xr-x - information-model