chore(build): try to build demo and docs (#3434)

platform/app/src/loadDynamicConfig.js

@@ -0,0 +1,23 @@
+export default async config => {
+  const useDynamicConfig = config.dangerouslyUseDynamicConfig;
+
+  // Check if dangerouslyUseDynamicConfig enabled
+  if (useDynamicConfig?.enabled) {
+    // If enabled then get configUrl query-string
+    let query = new URLSearchParams(window.location.search);
+    let configUrl = query.get('configUrl');
+
+    if (configUrl) {
+      // validate regex
+      const regex = useDynamicConfig.regex;
+
+      if (configUrl.match(regex)) {
+        const response = await fetch(configUrl);
+        return response.json();
+      } else {
+        return null;
+      }
+    }
+  }
+  return null;
+};