Add support for spoilers in text commands

[dy-lin]

I'd like support for spoilers when using text commands just as is available with slash commands.

By updating the prefix to include the two pipes, the bot still recognizes the instagram link.

 "Prefix": [ "https://www.instagram.com/", "https://instagram.com/", "http://www.instagram.com/", "http://instagram.com/", "||https://instagram.com/", "|| https://instagram.com/"  ]

The bot could register that the prefix contains pipes and use the isSpoiler parameter in FileAttachment (like with the slash commands).

It appears the infrastructure is already present, and just needs to detect whether the text command or prefix contains pipes and adjust accordingly.

[bman46]

It's certainly feasible to do. What is your use case for this though? I would think that it would be easier and more user friendly to use the slash command to do this.

[dy-lin]

I mostly use Discord on mobile and find slash commands clunky to use since you have to select each parameter.

[bman46]

Ok, makes sense. For now, I am prioritizing #85 but after that I should be able to get around to it as the changes required should not be too complex.