refactor(plugins): update pandoc plugin

lua/custom/plugins/pandoc.lua

@@ -1,9 +1,6 @@
-
 return {
-  "vim-pandoc/vim-pandoc",
+  'aspeddro/pandoc.nvim',
-  version = "*",  
+  config = function()
-  event = "VeryLazy",
+    require("pandoc").setup {}
-  dependencies = {
+  end,
-    'vim-pandoc/vim-pandoc-syntax'
+}
-  },
-}