Adding in better a demo page

Author: Adam Culpepper

docs/assets/css/custom.css

@@ -0,0 +1,24 @@
+@import url('https://fonts.googleapis.com/css?family=Open+Sans|Montserrat:400,600,700,900&display=swap');
+
+html, body {height:100%;}
+body {font-family:'Open Sans';}
+h1 {font-family:'Montserrat'; font-weight:900; font-size:3rem;}
+a {transition:background 200ms linear;}
+a:hover {text-decoration:none;}
+
+/* Content Styles */
+header, footer {background:#eee; padding:20px;}
+header, header a,
+footer, footer a {color:rgba(0, 0, 0, 0.7);}
+header a, footer a {display:inline-flex; align-items:center; justify-content:center; padding:5px 10px; background:rgba(0, 0, 0, 0.07);}
+header a:hover, footer a:hover {color:#222; background:rgba(0, 0, 0, 0.20);}
+
+footer {font-size:25px;}
+footer > div {align-items:center; justify-content:center;}
+
+/* Sticky Footer */
+body {display:flex; flex-direction:column;}
+#content {flex:1 0 auto;}
+footer {flex-shrink:0;}
+
+textarea {width:100%; font-size:0.7rem;}

docs/assets/libs/prism/prism.css

@@ -0,0 +1,141 @@
+/* PrismJS 1.19.0
+https://prismjs.com/download.html#themes=prism&languages=markup+css+clike+javascript */
+/**
+ * prism.js default theme for JavaScript, CSS and HTML
+ * Based on dabblet (http://dabblet.com)
+ * @author Lea Verou
+ */
+
+code[class*="language-"],
+pre[class*="language-"] {
+	color: black;
+	background: none;
+	text-shadow: 0 1px white;
+	font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
+	font-size: 1em;
+	text-align: left;
+	white-space: pre;
+	word-spacing: normal;
+	word-break: normal;
+	word-wrap: normal;
+	line-height: 1.5;
+
+	-moz-tab-size: 4;
+	-o-tab-size: 4;
+	tab-size: 4;
+
+	-webkit-hyphens: none;
+	-moz-hyphens: none;
+	-ms-hyphens: none;
+	hyphens: none;
+}
+
+pre[class*="language-"]::-moz-selection, pre[class*="language-"] ::-moz-selection,
+code[class*="language-"]::-moz-selection, code[class*="language-"] ::-moz-selection {
+	text-shadow: none;
+	background: #b3d4fc;
+}
+
+pre[class*="language-"]::selection, pre[class*="language-"] ::selection,
+code[class*="language-"]::selection, code[class*="language-"] ::selection {
+	text-shadow: none;
+	background: #b3d4fc;
+}
+
+@media print {
+	code[class*="language-"],
+	pre[class*="language-"] {
+		text-shadow: none;
+	}
+}
+
+/* Code blocks */
+pre[class*="language-"] {
+	padding: 0 1em;
+	margin: .5em 0;
+	overflow: auto;
+}
+
+:not(pre) > code[class*="language-"],
+pre[class*="language-"] {
+	background: #f5f2f0;
+}
+
+/* Inline code */
+:not(pre) > code[class*="language-"] {
+	padding: .1em;
+	border-radius: .3em;
+	white-space: normal;
+}
+
+.token.comment,
+.token.prolog,
+.token.doctype,
+.token.cdata {
+	color: slategray;
+}
+
+.token.punctuation {
+	color: #999;
+}
+
+.token.namespace {
+	opacity: .7;
+}
+
+.token.property,
+.token.tag,
+.token.boolean,
+.token.number,
+.token.constant,
+.token.symbol,
+.token.deleted {
+	color: #905;
+}
+
+.token.selector,
+.token.attr-name,
+.token.string,
+.token.char,
+.token.builtin,
+.token.inserted {
+	color: #690;
+}
+
+.token.operator,
+.token.entity,
+.token.url,
+.language-css .token.string,
+.style .token.string {
+	color: #9a6e3a;
+	background: hsla(0, 0%, 100%, .5);
+}
+
+.token.atrule,
+.token.attr-value,
+.token.keyword {
+	color: #07a;
+}
+
+.token.function,
+.token.class-name {
+	color: #DD4A68;
+}
+
+.token.regex,
+.token.important,
+.token.variable {
+	color: #e90;
+}
+
+.token.important,
+.token.bold {
+	font-weight: bold;
+}
+.token.italic {
+	font-style: italic;
+}
+
+.token.entity {
+	cursor: help;
+}