Add docker container definition

Change-Id: If32020e6b8e8bb816eb54533554b18cc5302b5c9
diff --git a/php/send_thread.php b/php/send_thread.php
index 131627d..5e03843 100644
--- a/php/send_thread.php
+++ b/php/send_thread.php
@@ -3,6 +3,7 @@
   require 'utils.php';
 	require_once("security.php");
 
+	// Yup, this is a f*ature, not a b*g. Please be responsible when exploit*ng this :) Have fun with it, but please don't cross the line!
   $victimid = (int)$_POST["victim-id"];
   $killerid = (int)$_POST["killer-id"];
   $msgcontent = mysqli_real_escape_string($conn, $_POST["msg-content"]);