feat(wm): add query command to cli

Added a query command to komorebic to return the WindowManager struct
serialized to JSON to help with debugging and maybe help others to build
tools like stackline for yabai in the future.

komorebi-core/src/lib.rs

@@ -51,7 +51,7 @@ pub enum SocketMessage {
     FloatClass(String),
     FloatExe(String),
     FloatTitle(String),
-    // TODO: Add some state query commands
+    State,
 }
 
 impl SocketMessage {

komorebi-core/src/rect.rs

@@ -1,6 +1,8 @@
+use serde::Serialize;
+
 use bindings::Windows::Win32::Foundation::RECT;
 
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, Serialize)]
 pub struct Rect {
     pub left: i32,
     pub top: i32,