add edit link and favicon

docs/_layouts/default.html

@@ -54,6 +54,15 @@
       </header>
       <section>
 
+      <div class="edit">
+        {% assign filename = page.url | replace_first: '/', '' | replace: '.html', '.md' %}
+        <!-- edit icon taken from GitHub -->
+        <svg transform="translate(0,1)" class="octicon octicon-pencil" viewBox="0 0 14 16" version="1.1" width="10" height="12" aria-hidden="true">
+          <path fill-rule="evenodd" d="M0 12v3h3l8-8-3-3-8 8zm3 2H1v-2h1v1h1v1zm10.3-9.3L12 6 9 3l1.3-1.3a.996.996 0 0 1 1.41 0l1.59 1.59c.39.39.39 1.02 0 1.41z"></path>
+        </svg>
+        <a href="https://www.github.com/madcowswe/ODrive/edit/gh-pages/{{ filename }}">edit on GitHub</a>
+      </div>
+
       {{ content }}
 
       </section>

docs/assets/css/style.scss

@@ -388,6 +388,12 @@ details > div > p:last-child {
     margin-bottom: 15px;
 }
 
+/*** edit link ***/
+.edit {
+  float: right;
+  font-size: 12px;
+}
+
 /*** inline code ***/
 :not(pre) > code {
     background-color: #ededed;