adding few forgotten parts

.config/niri/shared/window-rule.kdl

@@ -35,6 +35,13 @@ window-rule {
 }
 
 
+window-rule {
+    match title="Friends List" app-id="steam"
+
+    min-width 400
+    max-width 400
+
+}
 
 window-rule {
 	match app-id=r#"^steam_app_.*$"#

.local/bin/focus-window-by-id.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+APP_ID=$1
+WINDOW_ID=$(niri msg -j windows | jq "[.[] | select(.app_id==\"${APP_ID}\")][0].id")
+niri msg action focus-window --id ${WINDOW_ID}