perf: Home-manager to module

feat: Optionise config

modules/user/helix.nix

@@ -0,0 +1,22 @@
+{
+  programs.helix = {
+    enable = true;
+    defaultEditor = true;
+
+    settings = {
+      # theme = "catppuccin-mocha";
+      editor = {
+        insert-final-newline = false;
+        whitespace.render = {
+          space = "all";
+          tab = "all";
+          nbsp = "none";
+          nnbsp = "none";
+          newline = "none";
+        };
+
+        indent-guides.render = true;
+      };
+    };
+  };
+}