Add a configuration variable to display a notification at the be… (#345)

src/config.rs

@@ -70,6 +70,7 @@ pub struct ConfigFile {
     no_retry: Option<bool>,
     run_in_tmux: Option<bool>,
     cleanup: Option<bool>,
+    notify_each_step: Option<bool>,
     accept_all_windows_updates: Option<bool>,
     only: Option<Vec<Step>>,
 }
@@ -355,6 +356,12 @@ impl Config {
         self.config_file.accept_all_windows_updates.unwrap_or(true)
     }
 
+    /// Whether to send a desktop notification at the beginning of every step
+    #[allow(dead_code)]
+    pub fn notify_each_step(&self) -> bool {
+        self.config_file.notify_each_step.unwrap_or(false)
+    }
+
     /// Extra yay arguments
     #[cfg(target_os = "linux")]
     pub fn yay_arguments(&self) -> &str {