hide cursor after 4 seconds of inactivity

dot-config/hypr/hyprland.conf

@@ -78,6 +78,10 @@ general {
     layout = master
 }
 
+cursor {
+    inactive_timeout = 4
+}
+
 # https://wiki.hypr.land/Configuring/Variables/#decoration
 decoration {
     rounding = 10