add readme, display result as json

parse.php

@@ -60,15 +60,13 @@ else {
    echo "\n";
    echo "\n";
 
-   echo "first player is:  $first <br />";
-   echo "winner is: $winner<br />" ;
-   echo "num of turns: $turns<br />" ;
-   echo "list of expansions used:" ;
-   echo "<ol>" ;
-   foreach ( array_unique($usedExt) as $e ){
-      print( "<li>".$e."</li>" ) ;
-   }
-   echo "</ol>" ;
+   $result = array(
+      "first player" => $first,
+      "winner" => $winner,
+      "num_turns" => $turns ,
+      "expansions" =>  array_values( array_unique($usedExt) ),
+      ) ;
+   print json_encode( $result, JSON_PRETTY_PRINT );
 
 }
 function guessExpansion( $card, $cards, $ext ) {