[V3 Docs] Widgets in index

README.md

@@ -5,15 +5,23 @@
 </a>
 
 <a href="https://github.com/Rapptz/discord.py">
-    <img src="https://img.shields.io/badge/discord-py-blue.svg">
+    <img src="https://img.shields.io/badge/discord-py-blue.svg" alt="discord.py">
+</a>
+
+<a href="https://github.com/ambv/black">
+    <img src="https://img.shields.io/badge/code%20style-black-000000.svg" alt="Black coding style">
+</a>
+
+<a href="http://laggrons-dumb-cogs.readthedocs.io/en/v3/?badge=v3">
+    <img src="https://readthedocs.org/projects/laggrons-dumb-cogs/badge/?version=v3" alt="Docs build">
 </a>
 
 <a href="https://travis-ci.org/retke/Laggrons-Dumb-Cogs">
-    <img src="https://api.travis-ci.org/retke/Laggrons-Dumb-Cogs.svg?branch=v3">
+    <img src="https://api.travis-ci.org/retke/Laggrons-Dumb-Cogs.svg?branch=v3" alt="Travis CI build">
 </a>
 
 <a href="http://makeapullrequest.com">
-    <img src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square">
+    <img src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square" alt="PRs open">
 </a>
 
 ![](https://github.com/retke/Laggrons-Dumb-Cogs/blob/master/.github/RESSOURCES/BANNERS/v3_branch.png)