fix: correct typos in man page, README, config sample, and lib files

[fematarazzo]

Fixes various typos found across documentation, man page, configuration sample, and library files

• README.md: vailidation, vm-bhvye
• vm.8: throughput/throughout, seperating, then/they, Enable of/or disable, speficied, attached the/to the, starting using/started using, second/send, may not supported/may not be supported, noticable/noticeable
• sample-templates/config.sample: Pleas, byhve-agent, alterate
• lib/vm-zfs: recieve, occured
• lib/vm-migration: recieve

[metalefty]

Thanks!