Fixed abysmal naming

src/main.rs

@@ -57,12 +57,12 @@ async fn main() -> Result<(), Box<dyn Error>> {
         let mut buffer = String::new();
         stdin().read_line(&mut buffer).await?;
 
-        let mastodon = registration.create_access_token(buffer)?;
+        let fedi = registration.create_access_token(buffer)?;
 
-        cfg.fediverse_token = Some(mastodon.data.clone());
+        cfg.fediverse_token = Some(fedi.data.clone());
         cfg.save(CONFIG_PATH)?;
 
-        mastodon
+        fedi
     };
 
     let publisher = MastodonPublisher::new(mastodon);