feat: add commandline

- add optional arguments for break and work time
- add flags for help and version

src/main.rs

@@ -126,12 +126,28 @@ impl Drop for TerminalGuard {
 }
 
 fn main() -> Result<(), io::Error> {
+  let args: Vec<String> = std::env::args().collect();
+  
+  if args.iter().any(|arg| arg == "-h" || arg == "--help") {
+    println!("Usage: termato [work_minutes] [break_minutes]");
+    println!("Defaults: work_minutes = 25, break_minutes = 5");
+    return Ok(());
+  }
+
+  if args.iter().any(|arg| arg == "-v" || arg == "--version") {
+    println!("termato version {}", env!("CARGO_PKG_VERSION"));
+    return Ok(());
+  }
+
   let _guard = TerminalGuard::new()?;
 
   let backend = CrosstermBackend::new(stdout());
   let mut terminal = Terminal::new(backend)?;
   let font = Toilet::smblock().unwrap();
-  let mut termato = Termato::new(1, 1);
+
+  let work_mins = args.get(1).and_then(|s| s.parse().ok()).unwrap_or(25);
+  let break_mins = args.get(2).and_then(|s| s.parse().ok()).unwrap_or(5);
+  let mut termato = Termato::new(work_mins, break_mins);
 
   let (tx, rx) = mpsc::channel();