restructured inventory

README.md

inventories/build/group_vars/all.yml

inventories/build/hosts.yml

inventories/cassandra

inventories/cortex

inventories/deploy/group_vars/haproxy.yml

inventories/deploy/group_vars/nifi.yml

inventories/deploy/group_vars/zookeeper.yml

inventories/deploy/hosts.yml.example

inventories/elasticsearch

inventories/filebeat

inventories/haproxy

inventories/keycloak

inventories/kibana

inventories/misp

inventories/mysql

inventories/nifi

inventories/soctools

inventories/thehive