fix: add missing Read and Write trait imports

src/compression/lz4.rs

@@ -1,6 +1,7 @@
 use anyhow::Result;
 use std::fs::File;
 use std::path::PathBuf;
+use std::io::{Read, Write};
 use log::*;
 
 use lz4_flex::frame::{FrameDecoder, FrameEncoder};

src/compression/none.rs

@@ -1,6 +1,7 @@
 use anyhow::Result;
 use std::fs::File;
 use std::path::PathBuf;
+use std::io::{Read, Write};
 use log::*;
 
 use crate::compression::CompressionEngine;

src/compression/program.rs

@@ -5,6 +5,7 @@ use std::path::PathBuf;
 use std::env;
 use std::fs;
 use std::os::unix::fs::PermissionsExt;
+use std::io::{Read, Write};
 use log::*;
 
 use crate::compression::CompressionEngine;