Add swaynag config

users/simon/modules/sway.nix

@@ -415,6 +415,24 @@ in
     "waybar/style.css".source = pkgs.substituteAll ({
       src = ../files/waybar/style.css;
     } // solarized);
+    # FIXME deduplicate (everything except text is redundant)
+    "swaynag/config".text = ''
+      font=Monospace 12
+
+      [warning]
+      text=b58900
+      background=fdf6e3
+      border=eee8d5
+      border-bottom=eee8d5
+      button-background=eee8d5
+
+      [error]
+      text=dc322f
+      background=fdf6e3
+      border=eee8d5
+      border-bottom=eee8d5
+      button-background=eee8d5
+    '';
   };
 
   programs.mako = {