Setup menu

- split hero into title, nav. bar and logo
- put top-level pages directly in layout dir. vs. individ. sections
- converted toml config to yaml
- modified meta description

layouts/partials/site-title.html

@@ -0,0 +1,7 @@
+<h1 class="site-title">
+  [<a href="{{ .Site.BaseURL }}"><span class="base08">K</span><span
+    class="base0f">e</span><span class="base09">v</span><span
+    class="base0a">i</span><span class="base0b">n </span><span
+    class="base0c">M</span><span class="base0d">o</span><span
+    class="base0e">k</span></a>] # _
+</h1>