Set up a repository for custom Zabbix templates and add the first
template for Dell PowerVault ME storage systems.
- Add conventions, version policy, and release documentation.
- Add validation, index, packaging, export, and import-test scripts.
- Add a disposable Zabbix test stack with version-aware imports.
- Add PowerVault ME SNMP exports for Zabbix 7.0 and 8.0.
- Cover system information, unit health, sensors, ports, and
firmware revisions.
