investment: add to release notes
investment: add to release notes

bibryam/optaplanner-website,psiroky/optaplanner-website,psiroky/optaplanner-website,oskopek/optaplanner-website,droolsjbpm/optaplanner-website,oskopek/optaplanner-website,bibryam/optaplanner-website,bibryam/optaplanner-website,droolsjbpm/optaplanner-website,psiroky/optaplanner-website,droolsjbpm/optaplanner-website,oskopek/optaplanner-website