fix: add blank lines before return statements (nlreturn)

Fix nlreturn linting issues by adding blank lines before return
statements in cli and secret packages.

internal/cli/unlockers.go

@@ -41,11 +41,13 @@ func newUnlockersListCmd() *cobra.Command {
 
 			cli := NewCLIInstance()
 			cli.cmd = cmd
+
 			return cli.UnlockersList(jsonOutput)
 		},
 	}
 
 	cmd.Flags().Bool("json", false, "Output in JSON format")
+
 	return cmd
 }
 
@@ -62,6 +64,7 @@ func newUnlockersAddCmd() *cobra.Command {
 	}
 
 	cmd.Flags().String("keyid", "", "GPG key ID for PGP unlockers")
+
 	return cmd
 }
 
@@ -169,6 +172,7 @@ func (cli *Instance) UnlockersList(jsonOutput bool) error {
 				case "pgp":
 					unlocker = secret.NewPGPUnlocker(cli.fs, unlockerDir, diskMetadata)
 				}
+
 				break
 			}
 		}
@@ -208,6 +212,7 @@ func (cli *Instance) UnlockersList(jsonOutput bool) error {
 		if len(unlockers) == 0 {
 			cli.cmd.Println("No unlockers found in current vault.")
 			cli.cmd.Println("Run 'secret unlockers add passphrase' to create one.")
+
 			return nil
 		}
 
@@ -263,6 +268,7 @@ func (cli *Instance) UnlockersAdd(unlockerType string, cmd *cobra.Command) error
 		}
 
 		cmd.Printf("Created passphrase unlocker: %s\n", passphraseUnlocker.GetID())
+
 		return nil
 
 	case "keychain":
@@ -275,6 +281,7 @@ func (cli *Instance) UnlockersAdd(unlockerType string, cmd *cobra.Command) error
 		if keyName, err := keychainUnlocker.GetKeychainItemName(); err == nil {
 			cmd.Printf("Keychain Item Name: %s\n", keyName)
 		}
+
 		return nil
 
 	case "pgp":
@@ -295,6 +302,7 @@ func (cli *Instance) UnlockersAdd(unlockerType string, cmd *cobra.Command) error
 
 		cmd.Printf("Created PGP unlocker: %s\n", pgpUnlocker.GetID())
 		cmd.Printf("GPG Key ID: %s\n", gpgKeyID)
+
 		return nil
 
 	default: