Add Kanata config

configuration.nix

@@ -138,7 +138,46 @@
 
   services.kanata = {
     enable = true;
-    #TODO: kanata config
+    #TODO: move kanata config to module
+    keyboards.remap-specials = {
+      config = ''
+        (deflocalkeys-linux
+          ö 39
+        )
+
+        (defsrc
+          a s d j k l ö
+        )
+
+        (defvar
+          tap-time 200
+          hold-time 200
+        )
+
+        (defalias
+          a (tap-hold $tap-time $hold-time a lmet)
+          s (tap-hold $tap-time $hold-time s lctl)
+          d (tap-hold $tap-time $hold-time d lsft)
+          k (tap-hold $tap-time $hold-time k rsft)
+          l (tap-hold $tap-time $hold-time l rctl)
+          ö (tap-hold $tap-time $hold-time ö ralt)
+
+          activate (tap-dance $tap-time (j _ _ (layer-switch home-mods)))
+          deactivate (tap-dance $tap-time (j _ _ (layer-switch base)))
+        )
+
+        (deflayer base
+           a s d @activate k l ö
+        )
+
+        (deflayer home-mods
+          @a @s @d @deactivate @k @l @ö
+        )
+      '';
+      extraDefCfg = ''
+        process-unmapped-keys yes
+      '';
+    };
   };
 
   services.mullvad-vpn.enable = true;