added helix :)

modules/tui/helix.nix

@@ -0,0 +1,30 @@
+{ config, lib, pkgs, inputs, ... }:
+with lib; let
+    cfg = config.modules.programs.helix;
+    username = config.modules.other.system.username;
+in  {
+    options.modules.programs.helix.enable = mkEnableOption "helix";
+
+    config = mkIf cfg.enable {
+        home-manager.users.${username} = {
+            programs.helix = {
+                enable = true;
+                settings = {
+                    editor = {
+                        line-number = "relative";
+                        mouse = false;
+                        bufferline = "multiple";
+                        lsp.display-messages = true;
+                        cursor-shape = {
+                            insert = "bar";
+                        };
+                    };
+                    keys.normal = {
+                        C-g = [":new" ":insert-output lazygit" ":buffer-close!" ":redraw"];
+                        esc = ["collapse_selection" "keep_primary_selection"];
+                    };
+                };
+            };
+        };
+    };
+}