utility/leetcode-nvim: init (#636)

* utility/leetcode-nvim: init

* utility/leetcode.nvim: Clean Code

Cleaned code upon PR review comments

modules/plugins/utility/leetcode-nvim/config.nix

@@ -0,0 +1,26 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib.modules) mkIf;
+
+  cfg = config.vim.utility.leetcode-nvim;
+in {
+  config = mkIf cfg.enable {
+    vim = {
+      startPlugins = [
+        "leetcode-nvim"
+        "plenary-nvim"
+        "fzf-lua"
+        "nui-nvim"
+      ];
+
+      lazy.plugins.leetcode-nvim = {
+        package = "leetcode-nvim";
+        setupModule = "leetcode";
+        inherit (cfg) setupOpts;
+      };
+    };
+  };
+}