add github label for markdown-previewer

markdown-previewer/index.html

@@ -14,6 +14,7 @@
   </head>
   <body>
     <header id="buttonHeader">
+      <a href="https://github.com/TrentSPalmer/fcc-challenges/tree/gh-pages/markdown-previewer" target="_blank" id="forkOnGitHub" class="btn"><i class="fab fa-github"></i></a>
       <button id="eraseButton" class="btn">Erase Editor</button>
       <button id="reloadButton" class="btn">Reload Example</button>
     </header>

markdown-previewer/markdownPreviewer.css

@@ -22,7 +22,11 @@ body {
   color: #fdf6e3;
 }
 
-#reloadButton {
+#forkOnGitHub {
+  font-size: x-large;
+}
+
+#reloadButton, #forkOnGitHub {
   background-color: #268bd2;
   color: #fdf6e3;
   margin-left: 1rem;