Add dart-sass, stop using sass_rocket_fairing

src/main.rs

@@ -4,7 +4,6 @@ extern crate rocket;
 use poise::serenity_prelude::Http;
 use rocket::{fs::{relative, FileServer}, Rocket, Ignite};
 use rocket_dyn_templates::{tera, Template};
-use sass_rocket_fairing::SassFairing;
 use std::{collections::HashMap, env};
 use clap::{Parser, Subcommand};
 
@@ -114,7 +113,6 @@ async fn rocket() -> Result<Rocket<Ignite>, rocket::Error> {
                 },
             )
         }))
-        .attach(SassFairing::default())
         .ignite().await
         .unwrap()
         .launch().await