Update README.md

[pedrobrantes]

Change images to stickers

[totallynotdavid]

@pedrobrantes, thank you for your contribution. I'd like to clarify that the bot currently returns images, not stickers, so changing this terminology in the documentation (from "images" to "stickers") doesn't seem necessary for accuracy's sake.

If you're actually suggesting to add a sticker functionality as a new feature, it might be more appropriate to open an issue rather than submitting a PR for documentation changes.

Would you mind clarifying your intention? I'm happy to reconsider if I've misunderstood your request. :)

[pedrobrantes]

@pedrobrantes, thank you for your contribution. I'd like to clarify that the bot currently returns images, not stickers, so changing this terminology in the documentation (from "images" to "stickers") doesn't seem necessary for accuracy's sake.

If you're actually suggesting to add a sticker functionality as a new feature, it might be more appropriate to open an issue rather than submitting a PR for documentation changes.

Would you mind clarifying your intention? I'm happy to reconsider if I've misunderstood your request. :)

In this PR, I replaced the image sending with stickers.