add: hyprland steam rules

home/hypr/hyprland/rules.nix

@@ -16,7 +16,9 @@
       "pin on,               match:title ^([Pp]icture[-\\s]?[Ii]n[-\\s]?[Pp]icture)(.*)$"
       "keep_aspect_ratio on, match:title ^([Pp]icture[-\\s]?[Ii]n[-\\s]?[Pp]icture)(.*)$"
       "immediate on,         match:class ^(steam_app).*"
+      "float off,            match:class ^(steam)$, match:title ^Steam$"
       "float on,             match:class ^(steam)$, match:title ^(?!Steam$).*"
+      "center on,            match:class ^(steam)$, match:title ^(?!Steam$).*"
     ];
   };
 }