feat: add lazy loading to nvim

modules/programs/nvim/plugins/lspsaga.nix

@@ -0,0 +1,45 @@
+{ config, lib, pkgs, inputs, ... }:
+
+let
+  inherit (lib) mkEnableOption mkIf readFile;
+in
+{
+  home-manager.users.moritz.programs.nixvim = {
+    plugins = {
+      lspsaga = {
+        enable = true;
+        codeAction.keys.quit = "<esc>";
+        lightbulb.virtualText = false;
+      };
+      web-devicons.enable = true;
+    };
+    keymapsOnEvents = {
+      LspAttach = [
+        {
+          key = "<leader>q";
+          action = "<cmd>Lspsaga code_action<cr>";
+          options.desc = "Quickfix";
+          options.buffer = true;
+        }
+        {
+          key = "gd";
+          action = "<cmd>Lspsaga goto_definition<cr>";
+          options.desc = "Goto Definition";
+          options.buffer = true;
+        }
+        {
+          key = "<leader>r";
+          action = "<cmd>Lspsaga rename<cr>";
+          options.desc = "Rename";
+          options.buffer = true;
+        }
+        {
+          key = "K";
+          action = "<cmd>Lspsaga hover_doc<cr>";
+          options.desc = "Hover";
+          options.buffer = true;
+        }
+      ];
+    };
+  };
+}