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/crypto.go

@@ -23,12 +23,14 @@ func newEncryptCmd() *cobra.Command {
 
 			cli := NewCLIInstance()
 			cli.cmd = cmd
+
 			return cli.Encrypt(args[0], inputFile, outputFile)
 		},
 	}
 
 	cmd.Flags().StringP("input", "i", "", "Input file (default: stdin)")
 	cmd.Flags().StringP("output", "o", "", "Output file (default: stdout)")
+
 	return cmd
 }
 
@@ -44,12 +46,14 @@ func newDecryptCmd() *cobra.Command {
 
 			cli := NewCLIInstance()
 			cli.cmd = cmd
+
 			return cli.Decrypt(args[0], inputFile, outputFile)
 		},
 	}
 
 	cmd.Flags().StringP("input", "i", "", "Input file (default: stdin)")
 	cmd.Flags().StringP("output", "o", "", "Output file (default: stdout)")
+
 	return cmd
 }