new: [attribute-type] community-id added
new: [attribute-type] community-id added

Community-id is a new attribute type to describe a flow hashing algorithm allowing
the consumers of output from multiple traffic monitors to link each system's
flow records more easily.

Ref: https://github.com/corelight/community-id-spec

SteveClement/MISP,FIRSTdotorg/MISP,SteveClement/MISP,MISP/MISP,SteveClement/MISP,MISP/MISP,FIRSTdotorg/MISP,SteveClement/MISP,MISP/MISP,SteveClement/MISP,FIRSTdotorg/MISP,MISP/MISP,MISP/MISP,FIRSTdotorg/MISP