refactor: move yazi/helix into server related apps

home/base/server/helix/default.nix

@@ -0,0 +1,36 @@
+{
+  pkgs,
+  nur-ryan4yin,
+  ...
+}: {
+  # https://github.com/catppuccin/helix
+  xdg.configFile."helix/themes".source = "${nur-ryan4yin.packages.${pkgs.system}.catppuccin-helix}/themes/default";
+
+  programs.helix = {
+    enable = true;
+    package = pkgs.helix;
+    settings = {
+      theme = "catppuccin_mocha";
+      editor = {
+        line-number = "relative";
+        cursorline = true;
+        color-modes = true;
+        lsp.display-messages = true;
+        cursor-shape = {
+          insert = "bar";
+          normal = "block";
+          select = "underline";
+        };
+        indent-guides.render = true;
+      };
+      keys.normal = {
+        space = {
+          space = "file_picker";
+          w = ":w";
+          q = ":q";
+        };
+        esc = ["collapse_selection" "keep_primary_selection"];
+      };
+    };
+  };
+}