Add ERD so it shows up on rubydoc.info
Add ERD so it shows up on rubydoc.info

[#54771390]

rapid7/metasploit-cache,rapid7/metasploit-cache,rapid7/metasploit-cache,rapid7/metasploit_data_models,farias-r7/metasploit_data_models,bcook-r7/metasploit_data_models,bcook-r7/metasploit_data_models,bcook-r7/metasploit_data_models,rapid7/metasploit_data_models,rapid7/metasploit-cache,rapid7/metasploit_data_models,farias-r7/metasploit_data_models,farias-r7/metasploit_data_models