Merge pull request #438 from UiPath/fix/docs_getting_started

docs: fix getting started cards

Author: cristipufu

docs/index.md

@@ -1,7 +1,19 @@
 ---
-title: UiPath SDK
+title: Getting Started
 ---
 
+<div class="grid cards" markdown>
+-   __UiPath SDK__
+
+    ---
+
+    Set up, create, publish, and run your first UiPath Agent
+
+    [Getting started](./core/getting_started.md)
+
+</div>
+
+<h2> Extensions </h2>
 <div class="grid cards" markdown>
 -   __UiPath Langchain SDK__