added 260907 version of worker toolkit

worker-toolkit-flaredown/repo/frontend/app/components/onboarding/symptoms-step.js

@@ -0,0 +1,17 @@
+import Ember from 'ember';
+
+export default Ember.Component.extend({
+
+  model: Ember.computed.alias('parentView.model'),
+
+  actions: {
+    completeStep() {
+      this.get('onStepCompleted')();
+    },
+
+    goBack() {
+      this.get('onGoBack')();
+    }
+  }
+
+});