merging with corrections

- started to build my new function still in progress

corrected fully (remember to check and change rows and columns managment when it is using edges list!!!)

edges to agjacency and unipartite are visibly going wrong

- started to build my new function still in progress

then i need to complete the r template using session stored R text

- add messages to check if network seems bipartite or unipartite

also Groups ==> Blocks

add a few security on some reactives variables, add externalisation for shapes unicodes whith the function shapes_list