add an also page

src/routes/about/+layout.svelte

@@ -1,8 +1,12 @@
 <nav class="m l left">
-  <a>
+  <a href="/about">
     <i>Question_Mark</i>
     <span>About</span>
   </a>
+  <a href="/about/see-also">
+    <i>Read_more</i>
+    <span>Other resources</span>
+  </a>
   <!-- TODO
     <a>
       <i>Quiz</i>

src/routes/about/layout.test.js

@@ -0,0 +1,9 @@
+import { render, fireEvent, screen, getByText } from "@testing-library/svelte";
+import "@testing-library/jest-dom";
+
+import Layout from "./+layout.svelte";
+
+test("we have a see-also page", () => {
+  const { getByText } = render(Layout);
+  expect(getByText("Other resources")).toBeInTheDocument();
+});

src/routes/about/see-also/+page.svelte

@@ -0,0 +1,17 @@
+<h2>Other Full Thrust resources out there</h2>
+
+<ul>
+  <li>
+    <a href="http://shipyard.mechworld.de/" target="_new"
+      >Full Thrust Shipyard</a
+    >, by mechworld.
+  </li>
+</ul>
+
+<style>
+  ul {
+    font-size: var(--font-scale-11);
+    margin-top: 2em;
+    margin-left: 2em;
+  }
+</style>