updated logging

src/main.rs

@@ -1,9 +1,11 @@
 use image_similarity::store::DescriptorStore;
-use image_similarity::descriptors::{DCT, Descriptor};
+use image_similarity::descriptors::DCT;
+use log::info;
 
 fn main() {
+    env_logger::init();
     let mut store = DescriptorStore::new();
     let desc = DCT::new().with_quality(30);
     store.insert_directory("img", desc);
-    print!("{}", store);
+    info!("{}", store);
 }