add vite external plugin

vite.build.js

@@ -1,5 +1,6 @@
 import { build } from "vite";
 import postcssPresetEnv from "postcss-preset-env";
+import { viteExternalsPlugin } from "vite-plugin-externals";
 
 const libraries = [
   {
@@ -47,7 +48,13 @@ const libraries = [
       sourcemap: true,
       outDir: '../../../../IronIntel/Contractor2.0/Contractor/Site/js/lib',
       emptyOutDir: false
-    }
+    },
+    plugins: [
+      viteExternalsPlugin({
+        '../../ui': 'lib-ui',
+        '../../utility': 'lib-utility'
+      })
+    ]
   },
   {
     clearScreen: false,