feat(cli): add opt to stop whkd alongside wm

This commit adds a '--whkd' flag to the 'komorebic stop' command, which
will also stop any running instance of whkd when stopping the window
manager.

This flag defaults to false, and should not change the existing
behaviour that users are used to.

komorebic/src/main.rs

@@ -625,6 +625,13 @@ struct Start {
     whkd: bool,
 }
 
+#[derive(Parser, AhkFunction)]
+struct Stop {
+    /// Stop whkd if it is running as a background process
+    #[clap(action, long)]
+    whkd: bool,
+}
+
 #[derive(Parser, AhkFunction)]
 struct SaveResize {
     /// File to which the resize layout dimensions should be saved
@@ -695,7 +702,7 @@ enum SubCommand {
     /// Start komorebi.exe as a background process
     Start(Start),
     /// Stop the komorebi.exe process and restore all hidden windows
-    Stop,
+    Stop(Stop),
     /// Output various important komorebi-related environment values
     Check,
     /// Show a JSON representation of the current window manager state
@@ -1496,7 +1503,21 @@ if (!(Get-Process whkd -ErrorAction SilentlyContinue))
                 }
             }
         }
-        SubCommand::Stop => {
+        SubCommand::Stop(arg) => {
+            if arg.whkd {
+                let script = r#"
+Stop-Process -Name:whkd -ErrorAction SilentlyContinue
+                "#;
+                match powershell_script::run(script) {
+                    Ok(_) => {
+                        println!("{script}");
+                    }
+                    Err(error) => {
+                        println!("Error: {error}");
+                    }
+                }
+            }
+
             send_message(&SocketMessage::Stop.as_bytes()?)?;
         }
         SubCommand::FloatRule(arg) => {