stub a home page (#105)

* add a super basic home page

text welcomes people and links to key sections

* redirect to prep now it's moved

Author: SallyMcGrath

website/assets/styles/04-components/splash.scss

@@ -0,0 +1,22 @@
+.c-splash {
+  // background: var(--theme-color--ink);
+  // color: var(--theme-color--paper);
+
+  @include backdrop(true, true, 0.6);
+  border-top: var(--theme-spacing--gutter) solid var(--theme-color--pop);
+  border-radius: 8px 8px 2px 2px;
+  padding: var(--theme-spacing--gutter);
+  max-width: var(--theme-spacing--linelength);
+  font: var(--theme-font--system);
+
+  strong,
+  a {
+    font-size: var(--theme-type-size--4);
+    font-weight: 700;
+  }
+  strong {
+    color: var(--theme-color--pop);
+    display: block;
+    line-height: 2;
+  }
+}

website/content/_index.md

@@ -0,0 +1,7 @@
++++
+title="Immersive Engineering Programme"
++++
+
+-> % We are [Code Your Future](https://codeyourfuture.io) and, whoever _you_ are, you are welcome here.
+
+**Learn** more [about CYF+](/about), **follow** a [suggested path](/versions/1-0-0) through our [projects](/projects), and [primers](/primers/), and **join** us in [developing](/about/contributing) more.

website/layouts/index.html

@@ -6,14 +6,6 @@ <h1 class="c-page-header__title e-heading__1">{{.Title}}</h1>
     </div>
   </header>
 
-  {{.Content}}
+  <section class="c-splash">{{.Content}}</section>
 </article>
-<nav class="c-toc">
-  <ul>
-    <li><a href="{{.Site.BaseURL}}about">About</a></li>
-    <li><a href="{{.Site.BaseURL}}versions">Versions</a></li>
-    <li><a href="{{.Site.BaseURL}}projects">Projects</a></li>
-    <li><a href="{{.Site.BaseURL}}primers">Primers</a></li>
-  </ul>
-</nav>
 {{ end }}

website/static/_redirects

@@ -1,3 +1,4 @@
 # https://docs.netlify.com/routing/redirects/
 
 /contributing.md /about/contributing.md 302
+/prep/README.md /prep/readme 302