added the poster to the repo + paper

Author: Maarten Sap

docs/data/rashkin2018event2mind.pdf

@@ -23,7 +23,9 @@
       <div class="col-sm-10">
         <h1 class="">Event2Mind<small class="text-muted"><br>Commonsense Inference on Events, Intents and Reactions</small></h1>
         <p><em>Quick links:</em>&nbsp;
-          <a href="https://homes.cs.washington.edu/~msap/pdfs/rashkin2018event2mind.pdf">[paper]</a>
+          <a href="data/rashkin2018event2mind.pdf">[ACL paper]</a>
+          &nbsp;
+          <a href="data/rashkin2018event2mind_poster.pdf">[ACL poster]</a>
           &nbsp;
           <a href="data/event2mind.zip">[download dataset]</a>
           &nbsp;