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

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

@@ -0,0 +1,24 @@
+
+
+Reveal.addEventListener( 'ready', function() {
+
+	QUnit.module( 'Markdown' );
+
+	test( 'Vertical separator', function() {
+		strictEqual( document.querySelectorAll( '.reveal .slides>section>section' ).length, 2, 'found two slides' );
+	});
+
+	test( 'Horizontal separator', function() {
+		strictEqual( document.querySelectorAll( '.reveal .slides>section' ).length, 2, 'found two slides' );
+	});
+
+	test( 'Language highlighter', function() {
+		strictEqual( document.querySelectorAll( '.hljs-keyword' ).length, 1, 'got rendered highlight tag.' );
+		strictEqual( document.querySelector( '.hljs-keyword' ).innerHTML, 'var', 'the same keyword: var.' );
+	});
+
+
+} );
+
+Reveal.initialize();
+