docs(cli): add usage description for f3 powertable command (#13020)

cli(docs): add usage description for f3 powertable command

cli(docs): add usage description for f3 powertable command

Author: rjan90

cli/f3.go

@@ -83,6 +83,7 @@ var f3SbCmdListMiners = &cli.Command{
 var f3SubCmdPowerTable = &cli.Command{
 	Name:    "powertable",
 	Aliases: []string{"pt"},
+	Usage:   "Manages interactions with F3 power tables.",
 	Subcommands: []*cli.Command{
 		{
 			Name:      "get",

documentation/en/cli-lotus.md

@@ -2998,7 +2998,7 @@ USAGE:
 
 COMMANDS:
    list-miners, lm  Lists the miners that currently participate in F3 via this node.
-   powertable, pt   
+   powertable, pt   Manages interactions with F3 power tables.
    certs, c         Manages interactions with F3 finality certificates.
    manifest         Gets the current manifest used by F3.
    status           Checks the F3 status.
@@ -3025,7 +3025,7 @@ OPTIONS:
 
 ```
 NAME:
-   lotus f3 powertable
+   lotus f3 powertable - Manages interactions with F3 power tables.
 
 USAGE:
    lotus f3 powertable command [command options]