feat(wm): manage return bool of PostMessage + update ahk library

this commit makes a small refactor to the way PostMessageW is used so now be able to handle the
returned bool, as well as adding a custom error message to WindowsApi::close_window and updating the
ahk generated library

#259

komorebic.lib.ahk

@@ -52,6 +52,14 @@ Move(operation_direction) {
     Run, komorebic.exe move %operation_direction%, , Hide
 }
 
+Minimize() {
+    Run, komorebic.exe minimize, , Hide
+}
+
+Close() {
+    Run, komorebic.exe close, , Hide
+}
+
 CycleFocus(cycle_direction) {
     Run, komorebic.exe cycle-focus %cycle_direction%, , Hide
 }