Added h1 and alt to logo to improve SEO

Added title attribution to logo

docs/index.md

@@ -9,8 +9,10 @@
 
 ---
 
+<h1 class="sr-only">Django REST Framework</h1>
+
 <p>
-<img src="img/logo.png" width=600px style="display: block; margin: 0 auto 0 auto">
+<img alt="Django REST Framework" title="Logo by Jake 'Sid' Smith" src="img/logo.png" width="600px" style="display: block; margin: 0 auto 0 auto">
 </p>
 
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