Add input modules (greek and japanese)

modules/system/input/greek.nix

@@ -0,0 +1,39 @@
+{ config, lib, pkgs, inputs, ... }:
+
+with lib;
+let
+  cfg = config.samfelag.modules.system.input.greek;
+  hyprCfg = config.samfelag.modules.desktop.wm.hyprland;
+in
+{
+  options.samfelag.modules.system.input.greek = {
+    enable = mkEnableOption "Enable greek input";
+  };
+
+  config = mkIf cfg.enable {
+
+    i18n.inputMethod = {
+      type = "fcitx5";
+      enable = true;
+      fcitx5.addons = with pkgs; [
+        fcitx5-gtk
+        fcitx5-nord
+      ];
+    };
+
+    environment.variables = {
+      GTK_IM_MODULE = "fcitx";
+      QT_IM_MODULE = "fcitx";
+      XMODIFIERS = "@im=fcitx";
+    };
+
+    hm.wayland.windowManager.hyprland.settings = lib.mkIf hyprCfg.enable {
+      windowrule = "pseudo, class:fcitx";
+      exec-once = [
+        "fcitx -d -r"
+        "fcitx-remote -r"
+      ];
+    };
+
+  };
+}