add umlaut layer with wtype

dotfiles/sway/config

@@ -115,6 +115,19 @@ mode "resize" {
 }
 bindsym $mod+r mode "resize"
 
+mode "umlaut" {
+    bindsym s exec wtype ß
+    bindsym a exec wtype ä
+    bindsym o exec wtype ö
+    bindsym u exec wtype ü
+    bindsym Shift+a exec wtype Ä
+    bindsym Shift+o exec wtype Ö
+    bindsym Shift+u exec wtype Ü
+    bindsym Return mode "default"
+    bindsym Escape mode "default"
+}
+bindsym $mod+u mode "umlaut"
+
 bar {
   font $font
   position bottom

roles/desktop.nix

@@ -186,7 +186,7 @@ in
     xdg_utils
     xfce.thunar
     xfce.thunar-volman
-    ydotool
+    wtype
     (pkgs.writeTextFile {
       name = "startsway";
       destination = "/bin/startsway";