Add back more functions from Sway into Niri, add a standard naming scheme

modules/home/wms/niri/rules/default.nix

@@ -38,5 +38,15 @@
       match app-id="com.obsproject.Studio"
       open-on-workspace "${config.ws.w4a}"
     }
+
+    screenshot-path "~/Pictures/Screenshots/Screenshot from %Y-%m-%d %H-%M-%S.png"
+    
+    hotkey-overlay {
+      skip-at-startup
+    }
+    
+    environment {
+      DISPLAY ":0"
+    }
   '';
 }