PoC calling Go API w/ session auth if present

- render some info about golinks if we have the ability to, otherwise don't render

go/go_ahead/src/GolinksList.jsx

+import React from "react";
+
+class GolinksList extends React.Component {
+  constructor(props) {
+    super(props);
+
+    this.state = {
+      error: null,
+      isLoaded: false,
+      golinks: []
+    };
+  }
+
+  componentDidMount() {
+    if (window.django.user.is_authenticated == "True") {
+      fetch("/api/golinks")
+        .then(res => res.json())
+        .then(
+          result => {
+            this.setState({
+              isLoaded: true,
+              golinks: result
+            });
+          },
+          // Note: it's important to handle errors here
+          // instead of a catch() block so that we don't swallow
+          // exceptions from actual bugs in components.
+          error => {
+            this.setState({
+              isLoaded: true,
+              error
+            });
+          }
+        );
+    }
+  }
+
+  render() {
+    const { error, isLoaded, golinks } = this.state;
+    if (error) {
+      return <div>Error: {error.message}</div>;
+    } else if (!isLoaded) {
+      if (window.django.user.is_authenticated == "True") {
+        return <div>Loading...</div>;
+      } else {
+        return <div />;
+      }
+    } else {
+      return (
+        <div>
+          {golinks.map(golink => (
+            <h1 key={golink.short}>{golink.short}</h1>
+          ))}
+        </div>
+      );
+    }
+  }
+}
+
+export default GolinksList;

go/go_ahead/src/index.jsx

@@ -4,5 +4,12 @@ import "masonstrap/build/js/masonstrap.min.js";
 import React from "react";
 import ReactDOM from "react-dom";
 import AuthButton from "./AuthButton.jsx";
+import Golinkslist from "./GolinksList.jsx";
 
-ReactDOM.render(<AuthButton />, document.getElementById("root"));
+ReactDOM.render(
+  <div>
+    <AuthButton />
+    <Golinkslist />
+  </div>,
+  document.getElementById("root")
+);