method Command.prototype.commandimport { Command } from "https://dotland.deno.dev/x/cliffy@v0.15.0/command/mod.ts"; command(name: string,desc?: string,override?: boolean,): thisAdd new sub-command. command(name: string,cmd?: Command,override?: boolean,): thisAdd new sub-command. Parametersname: stringoptionaldesc: stringoptionaloverride: booleanReturnsthisParametersname: stringoptionalcmd: Commandoptionaloverride: booleanReturnsthis