Add initial support for modern JPEG compression

Some things still need to be done:
- Check RGB images
- Check small images
- Check huffman-only jpeg tables
- Check empty jpeg tables
- Add tests

Cargo.toml

@@ -18,6 +18,7 @@ exclude = ["tests/images/*", "tests/fuzz_images/*"]
 
 [dependencies]
 weezl = "0.1.0"
+jpeg = { package = "jpeg-decoder", version = "0.1.17", default-features = false }
 
 [dependencies.miniz_oxide]
 version = "0.4.1"