GlobalShortcuts protocol impl (#1886)

Implements the `hyprland-global-shortcuts-v1` protocol

---------

Co-authored-by: Mihai Fufezan <fufexan@protonmail.com>

hyprctl/main.cpp

@@ -43,6 +43,7 @@ commands:
     setprop
     plugin
     notify
+    globalshortcuts
 
 flags:
     -j -> output in JSON
@@ -345,6 +346,8 @@ int main(int argc, char** argv) {
         request(fullRequest);
     else if (fullRequest.contains("/animations"))
         request(fullRequest);
+    else if (fullRequest.contains("/globalshortcuts"))
+        request(fullRequest);
     else if (fullRequest.contains("/switchxkblayout"))
         request(fullRequest, 2);
     else if (fullRequest.contains("/seterror"))