rollup: added relative path to bbui

(assumes same root folder as budibase)

packages/builder/rollup.config.js

@@ -185,7 +185,11 @@ export default {
     svelte({
       // enable run-time checks when not in production
       dev: !production,
-      include: ["src/**/*.svelte", "node_modules/**/*.svelte"],
+      include: [
+        "src/**/*.svelte",
+        "node_modules/**/*.svelte",
+        "../../../bbui/src/**/*.svelte",
+      ],
       // we'll extract any component CSS out into
       // a separate file — better for performance
       css: css => {