fix: update doctests to include working_dir parameter

- Add working_dir field to GlobalArgs doctest example
- Update execute() doctest to pass working_dir parameter

Co-authored-by: josecelano <[email protected]>

Author: Copilot

src/presentation/cli/args.rs

@@ -95,6 +95,7 @@ impl GlobalArgs {
     ///     log_stderr_format: LogFormat::Pretty,
     ///     log_output: LogOutput::FileAndStderr,
     ///     log_dir: PathBuf::from("/tmp/logs"),
+    ///     working_dir: PathBuf::from("."),
     /// };
     /// let config = args.logging_config();
     /// // config will have specified log formats and directory

src/presentation/commands/mod.rs

@@ -40,10 +40,12 @@ pub mod destroy;
 /// ```rust
 /// use clap::Parser;
 /// use torrust_tracker_deployer_lib::presentation::{cli, commands};
+/// use std::path::Path;
 ///
 /// let cli = cli::Cli::parse();
 /// if let Some(command) = cli.command {
-///     let result = commands::execute(command);
+///     let working_dir = Path::new(".");
+///     let result = commands::execute(command, working_dir);
 ///     match result {
 ///         Ok(_) => println!("Command executed successfully"),
 ///         Err(e) => commands::handle_error(&e),