added eye candy for social media appearance

Author: juelg

index.html

@@ -10,9 +10,9 @@
   <meta property="og:description" content="A Lean Ecosystem for Robot Learning at Scale" />
   <meta property="og:url" content="https://robotcontrolstack.github.io/" />
   <!-- Path to banner image, should be in the path listed below. Optimal dimenssions are 1200X630-->
-  <meta property="og:image" content="static/images/rcs_architecture_small.svg" />
-  <meta property="og:image:width" content="1200"/>
-  <meta property="og:image:height" content="630"/>
+  <meta property="og:image" content="static/images/rcs_eye_candy_final.jpg" />
+  <meta property="og:image:width" content="1500"/>
+  <meta property="og:image:height" content="1500"/>
 
 
   <!-- <meta name="twitter:title" content="TWITTER BANNER TITLE META TAG">