refactor: clean, improve code quality, remove axios, closes #3

[Helias]

I would like to remove the https://wotlk.murlocvillage.com/ part, I don't think it's necessary, may in another PR if you agree

[Miorey]

@Helias first of all thanks for your PR, I will check it this days. about https://wotlk.murlocvillage.com do you refer to:

const resp = await fetch(`https://wotlk.murlocvillage.com/api/items/${item}/${displayId}`).then((response) => response.json());
        const res = resp.data ? resp.data : resp;

If yes it's not a good idea some stuff displayid have a new display id this endpoint allows to switch. Maybe I will create an independent endpoint so there will be no link with my private server.

[Helias]

Ok 👌, thanks for the quick response

[Helias]

@Miorey I added it because if I use demo.html and I change the race to "1" (human), I get error messages, that optional chaining it's to prevent that

[Miorey]

@Helias I like the it because it avoids errors on un-existing attributes child’s but it generates error in vue and webpack seems to not handle it properly. I will add a simple check even if it's dirtier it will let the lib functional in any case.