Clean up, switch to modern maddybook, netlify

layouts/_partials/footer.html

@@ -0,0 +1,10 @@
+{{ if (isset .Params "next") }}
+<a href="/{{ .Params.next }}" class="next">→</a>
+{{ end }}
+<footer>
+    <p>&copy; <a href="{{ .Site.Params.home }}">{{ .Site.Params.author }}</a> {{ .Site.Params.copyright }}</p>
+</footer>
+<script src="/js/footnotes.js"></script>
+{{ range .Site.Params.customJS }}
+    <script src="{{ . }}"></script>
+{{ end }}