--allow-sys permission flags not documented

[dandv]

cleanStack.ts:

import cleanStack from 'npm:clean-stack';

const e = new Error('message');

console.log(cleanStack(e.stack, { pretty: true }));

$ deno cleanStack.ts 
┏ ⚠️  Deno requests sys access to "homedir".
┠─ Requested by `node:os.homedir()` API.
┠─ To see a stack trace for this prompt, set the DENO_TRACE_PERMISSIONS environmental variable.
┠─ Learn more at: https://docs.deno.com/go/--allow-sys
┠─ Run again with --allow-sys to bypass this prompt.

https://docs.deno.com/runtime/fundamentals/security/#system-information doesn't list homedir among

This flag can be specified with a list of allowed interfaces from the following list: hostname, osRelease, osUptime, loadavg, networkInterfaces, systemMemoryInfo, uid, and gid.

I'd rather not make naive a PR adding "homedir" without knowing how this works under the hood (is "homedir" part of a "node:os" family of flags that should be documented? what other flags should be listed?).

[dandv]

Another flag: cpus.