feat: add compression and digest support with database schema updates

src/compression_engine/gzip.rs

@@ -5,9 +5,9 @@ use std::io;
 use std::io::{Read, Write};
 use std::path::PathBuf;
 
+use flate2::Compression;
 use flate2::read::GzDecoder;
 use flate2::write::GzEncoder;
-use flate2::Compression;
 
 use crate::compression_engine::CompressionEngine;
 

src/compression_engine/program.rs

@@ -1,4 +1,4 @@
-use anyhow::{anyhow, Context, Result};
+use anyhow::{Context, Result, anyhow};
 use log::*;
 use std::env;
 use std::fs;