refactor: move compression types to compression_engine module

src/modes/update.rs

@@ -3,7 +3,7 @@ use std::path::PathBuf;
 use std::str::FromStr;
 
 use crate::db;
-use crate::CompressionType;
+use crate::compression_engine::CompressionType;
 use clap::error::ErrorKind;
 use clap::Command;
 use log::{debug, info};