docs: add auth tx commands documentation (#13682)

x/auth/client/cli/encode.go

@@ -16,7 +16,7 @@ func GetEncodeCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "encode [file]",
 		Short: "Encode transactions generated offline",
-		Long: `Encode transactions created with the --generate-only flag and signed with the sign command.
+		Long: `Encode transactions created with the --generate-only flag or signed with the sign command.
 Read a transaction from <file>, serialize it to the Protobuf wire protocol, and output it as base64.
 If you supply a dash (-) argument in place of an input filename, the command reads from standard input.`,
 		Args: cobra.ExactArgs(1),

x/auth/client/cli/tips.go

@@ -17,7 +17,7 @@ import (
 func GetAuxToFeeCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "aux-to-fee <aux_signed_tx.json>",
-		Short: "includes the aux signer data in the tx, broadcast the tx, and sends the tip amount to the broadcaster",
+		Short: "Includes the aux signer data in the tx, broadcast the tx, and sends the tip amount to the broadcaster",
 		Args:  cobra.ExactArgs(1),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			clientCtx, err := client.GetClientTxContext(cmd)

x/auth/client/cli/tx_multisign.go

@@ -211,8 +211,9 @@ func makeMultiSignCmd() func(cmd *cobra.Command, args []string) (err error) {
 
 func GetMultiSignBatchCmd() *cobra.Command {
 	cmd := &cobra.Command{
-		Use:   "multisign-batch [file] [name] [[signature-file]...]",
-		Short: "Assemble multisig transactions in batch from batch signatures",
+		Use:     "multisign-batch [file] [name] [[signature-file]...]",
+		Aliases: []string{"multi-sign-batch"},
+		Short:   "Assemble multisig transactions in batch from batch signatures",
 		Long: strings.TrimSpace(
 			fmt.Sprintf(`Assemble a batch of multisig transactions generated by batch sign command.