Automate various sys admin stuff.

Changes for 0.4.0 - 2024-01-16

• ENV handling for proxy stuff and and cpanm home has moved to Ixchel->action to make handling easier
• variables defined under .env are now transfered to %ENV by Ixchel->action
• perl action, print results at the end
• misc POD fixes
• add sneck_config action and sneck template
• add some missing tests
• fix suricata_diff
• suricata include/outputs file name update
• fix missing items in the manifest
• suricata_extract extend now depends on suricata for snmp_v2 template
• perl action, don't treat failure on optional packages as a error if they can later be installed via cpanm
• perl_module_via_pkg function, add handling for LWP/libwww given the nonstandard naming