Added new callback types

src/markups.rs

@@ -1,4 +1,8 @@
 use crate::prelude::*;
+use base64::{engine::general_purpose::STANDARD as B64_ENGINE, Engine as _};
+use futures::future;
+use itertools::Itertools;
+use sha2::{Digest, Sha256};
 use teloxide::types::{InlineKeyboardButton, InlineKeyboardMarkup, KeyboardButton, KeyboardMarkup};
 
 /// Creates a markup of all user's account names