improving startup time by using lazy loading or filetype loading

lua/custom/plugins/neogen.lua

@@ -0,0 +1,19 @@
+return {
+  'danymat/neogen',
+  dependencies = {
+    'nvim-treesitter/nvim-treesitter',
+    'L3MON4D3/LuaSnip',
+  },
+  keys = {
+    { '<leader>nf', function() require('neogen').generate({ type = 'func' }) end, desc = 'Generate function doc' },
+    { '<leader>nt', function() require('neogen').generate({ type = 'type' }) end, desc = 'Generate type doc' },
+  },
+  config = function()
+    require('neogen').setup({
+      snippet_engine = 'luasnip',
+    })
+  end,
+  -- Uncomment next line if you want to follow only stable versions
+  -- version = "*"
+}
+