New quick start - create sample container (#1259)

* Update links and texts

* Remove unintended change

* Quick start - create sample container

* Small adjustments + fix test

* Hide coach mark behind feature flag

* Add snapshot test for AddCollectionPanel to increase coverage

* Fix snapshot

* Fix snapshot 2...

* Change runner account name

* Change portal runner account name

src/Explorer/Panes/AddCollectionPanel.test.tsx

@@ -0,0 +1,15 @@
+import { shallow } from "enzyme";
+import React from "react";
+import Explorer from "../Explorer";
+import { AddCollectionPanel } from "./AddCollectionPanel";
+
+const props = {
+  explorer: new Explorer(),
+};
+
+describe("AddCollectionPanel", () => {
+  it("should render Default properly", () => {
+    const wrapper = shallow(<AddCollectionPanel {...props} />);
+    expect(wrapper).toMatchSnapshot();
+  });
+});