[vm] added method to send message

vm-raw/index.js

@@ -23,5 +23,16 @@ export default {
     /**
      * @desc get ethereum address of the current user (from pangea)
      */
-    pangeaETHAddress: global.pangeaETHAddress
+    pangeaETHAddress: global.pangeaETHAddress,
+
+    /**
+     * @desc send a message via the chat
+     * @desc {string}   type Type of this message e.g. "SEND_MONEY" (can be chosen by developer)
+     * @desc {string}   group Group that the message relates to
+     * @desc {object}   params A set of parameters
+     * @desc {bool}     shouldSend Should this message be send to your chat partners
+     * @desc {bool}     shouldRender Should this message be rendered
+     * @desc {function} callback The callback will be called when the message has been send
+     */
+    sendMessage: global.sendMessage,
 }