sysutils/macchina: import package

Basic system information fetcher, with a focus on performance and minimalism.

Macchina lets you view basic system information, like your hostname, kernel
version, uptime, memory usage, and much more.
No one wants a slow fetcher, and Macchina's selling point is providing you with
convenient features while keeping performance a priority and minimalism a goal.

Macchina has native full support for NetBSD. Thanks grtcdr!

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