/knowledge: A new command

[EmmaBeansHare]

Complete the following REQUIRED checkboxes:

• [x] I have thoroughly read and understand The Odin Project Contributing Guide

• [x] The title of this issue follows the command name: brief description of request format, e.g. /help: add optional @user parameter

The following checkbox is OPTIONAL:

• [ ] I would like to be assigned this issue to work on it

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1. Description of the Feature Request: (I'm really sorry for the repetitive changes I've made (mainly to the title) as well as for closing and reopening the issue. The title I had originally chosen for this issue ended up just seeming like it'd be too off-putting, thus why I ended up changing it a few times.)

As a lot may have already seen, Carlos wrote a short, but very good response to someone who had initially simply called themselves dumb for a small mistake.

It's something people like to do a lot, and it usually doesn't seem like too big of a deal, but thinking from the individuals perspective; saying such thing or thinking that way can really demotivate an individual, especially when they say it in response to being corrected in a mistake that may seem "small". I think implementing something we could always send to people, who make these statements, would be very motivating and prove supportive, especially to someone who's only just started learning at TOP.

My idea would be to add in a command: "/knowledge @user" or something similar, which would then either simply lead to Carlos's message in discord, or to a text (which I'd be willing to write) which wouldn't be too long, and would include and go into detail with Carlos's words.

As for working on the issue; I would love to work on the issue, however I'm not sure if I know enough to be able to do that without needing loads of explanations.

Thank you!

2. Acceptance Criteria:

• [ ] (If chosen) a text which will be shown/called at command
• [ ] A command that leads to either the given text or the given message