Update _config.yml

Author: pxx88

_config.yml

@@ -25,7 +25,7 @@ author:
   avatar           : "profile.png"
   name             : "Peixuan(Nancy) Xu"
   pronouns         : "she/her"  
-  bio              : "Short biography for the left-hand sidebar"
+  bio              : "Graduate Student | Psychology & Data Science"
   location         : "Madison, WI"
   employer         : "University of Wisconsin - Madison"
   uri              : # URL
@@ -46,7 +46,7 @@ author:
   bitbucket        : # Username - Update with your username on the site
   codepen          : # Username
   dribbble         : # Username
-  github           : "academicpages"
+  github           : "pxx88"
   kaggle           : # Username  
   stackoverflow    : # User number or user number and name (i.e., use "1" or "1/jeff-atwood")    
 
@@ -60,7 +60,7 @@ author:
   keybase          : # Username
   instagram        : # Username
   lastfm           : # Username
-  linkedin         : # Username
+  linkedin         : "Peixuan Xu"
   mastodon         : # URL
   medium           : # URL
   pinterest        : # Username