I cannot reproduce this with the default usage of botui : the issue appears only when botui is part of a larger VueJS app.

When a markdown image is inserted in a message, it is immediately hidden if another message is displayed after.

botui.message.add({
	content: 'Hello World'
});
botui.message.add({
	content: 'Here is a picture : ![](https://www.google.fr/images/branding/g

Describe the bug
Cannot use 'cp' command while installing it on Windows.
It is needed to replace 'cp' with 'copy' in scripts written in package.json if an user wants to install botfront on Windows machine.

To Reproduce
Steps to reproduce the behavior:

1. Install choco
2. Install meteor
3. Install botfront using meteor npm install in Windows Powershell.

Expected behavior

In my specific implementation, I am sending audio over the chatbot. After the audio is done playing, I want to display options to choose from.

It would be nice if Botonic has a pointer to the latest message, which is updated with the state of the message (e.g. 'typing', or 'sent').

Currently, i need to continuously check if the message element has already been rendered by passing it a c