+### Run time configuration
+The app will fetch runtime configuration when starting. By default it will try to fetch `/config.json`. You can customize this url using build time configuration.
+
+Currently this configuration schema is supported:
+```
+{
+ "API_HOST": "string",
+ "VOCABULARY_URL": "string"
+}
+```
+
+#### VOCABULARY_URL
+Local path, or any URL that allows cross-origin requests. See
+[Vocabulary JSON file example](public/vocabulary-example.json).
+