* Restructure commands under more specific click groups
* standardize CLI error handling
* add global debug options
* move es and kibana clients into their click groups
* move commands and groups to dedicated files
* distinguish variable names for better env/config parsing
* refresh to latest ATT&CK 7.2
* add new unit test to further validate threat mappings
* updated threat mappings in rules to reflect changes
* new func to download and refresh mitre data based on version
Justin Ibarra