Convert docdock theme from submodule to native files and fix Hugo compatibility

themes/docdock/static/revealjs/test/test-markdown.js

@@ -0,0 +1,15 @@
+
+
+Reveal.addEventListener( 'ready', function() {
+
+	QUnit.module( 'Markdown' );
+
+	test( 'Vertical separator', function() {
+		strictEqual( document.querySelectorAll( '.reveal .slides>section>section' ).length, 2, 'found two slides' );
+	});
+
+
+} );
+
+Reveal.initialize();
+