add nix function to generate plugin list to README

Author: b-src

README.md

@@ -122,7 +122,7 @@ To update this configuration to work with Lazy-Nix-Helper, we will:
 
 Update the configuration as follows:
 ```Lua
--- See the NixOS Configuration section for more details on plugins table and lazy_nix_helper_path
+-- THIS PLUGIN LIST SHOULD BE GENERATED BY YOUR NIX CONFIG. See the NixOS Configuration section for more details on plugins table and lazy_nix_helper_path
 local plugins = {
  ["plugin-name.nvim"] = "nix/store/hash1234-vimplugin-plugin-name.nvim",
  ...
@@ -296,8 +296,14 @@ let
     };
   };
 
-  TODO: include function to generate plugins table
-  pluginTable = x: 
+  sanitizePluginName = input:
+  let
+    name = lib.strings.getName input;
+    intermediate = lib.strings.removePrefix "vimplugin-" name;
+    result = lib.strings.removePrefix "lua5.1-" intermediate;
+  in result;
+
+  pluginList = plugins: lib.strings.concatMapStrings (plugin: "  [\"${sanitizePluginName plugin.name}\"] = \"${plugin.outPath}\",\n") plugins;
 
 in
   {
@@ -319,7 +325,7 @@ in
       ];
       extraLuaConfig = ''
         local plugins = {
-        ${pluginTable config.programs.neovim.plugins}
+        ${pluginList config.programs.neovim.plugins}
         }
         local lazy_nix_helper_path = "${lazy-nix-helper-nvim}"
         if not vim.loop.fs_stat(lazy_nix_helper_path) then