Move Graph analytics page in the Graph chapter (#728)

* move graph analytics

* review

Author: nerpaula

site/content/3.13/data-science/_index.md

@@ -53,8 +53,8 @@ Graph analytics can answer questions like _**Who are the most connected persons*
 
 ArangoDB offers _Graph Analytics Engines_ to run algorithms such as
 connected components, label propagation, and PageRank on your data. This feature
-is available for the ArangoGraph Insights Platform. See
-[Graph Analytics](graph-analytics.md) for details.
+is available for the ArangoGraph Insights Platform. See 
+[Graph Analytics](../graphs/graph-analytics.md) for details.
 
 ### GraphML
 

site/content/3.13/data-science/graph-analytics.md renamed to site/content/3.13/graphs/graph-analytics.md

@@ -1,10 +1,12 @@
 ---
 title: Graph Analytics
 menuTitle: Graph Analytics
-weight: 123
+weight: 115
 description: |
   ArangoGraph offers Graph Analytics Engines to run graph algorithms on your
   data separately from your ArangoDB deployments
+aliases:
+  - ../data-science/graph-analytics
 ---
 Graph analytics is a branch of data science that deals with analyzing information
 networks known as graphs, and extracting information from the data relationships.