Fix LLD Macro

Allow "." character in LLD macro definition, thanks to @shk3bq4d

Host Inventory

Thanks to the work of @tomasherout we have support for host inventories.

• application json logic moved into backend module
• adding inventory_mode attribute
• adding inventory block, supports all current zabbix inventory attributes

host ip can be macro

Remove the IP formatting checker for the IP field, as macros can be used here

host bugfix

• fix bad attribute naming breaking host snmp updates

HTTP

• adding http headers support
• adding http auth type and credential support

Host interface fix

• fix the loss of some interface attributes causing inability to update

Features plus v5

• Support for snmp agent type
• Support for snmp attributes on host interfaces
• zabbix api version detection
• handle missing preprocessor params
• add item history
• templates and host, clear template items on unlink
• template linking
• template group lookup fix

Graph

Adding zabbix_graph and zabbix_proto_graph types.
Updating template2terraform to support extracting graph and graph prototypes

Expanded features

• application data / resource types
• LLD resource types
• Item prototypes
• Trigger prototypes
• Template to HCL converter

Add zabbix_item_external

• addition of the external item type
• fix missing interfaceid on simple checks

Thanks to @miff2000