Update index

Author: earizon

index.html

@@ -131,6 +131,8 @@
   <description> Data Science </description>
   <chapters>
   [101](./viewer.html?payload=../DataScience/101.payload)&nbsp;&nbsp;
+  [Agents (WiP)](./viewer.html?payload=../DataScience/Agents/agents.payload)&nbsp;&nbsp;
+  [ALL (Draft State)](./viewer.html?payload=../DataScience/ALL.payload)&nbsp;&nbsp;
   <chapters>
 </book>