add method to facilitate apk extention

androscalpel_serializer/src/file_reader.rs

@@ -11,6 +11,8 @@ use std::sync::atomic::{AtomicBool, Ordering};
 
 #[derive(Debug)]
 pub struct DexFileReader<'a> {
+    // Ideally, this would be a Read+Seek, but Read+Seek is not thread safe, while we can
+    // internally instanciate multiple cursors on the same non mutable slice.
     data: &'a [u8],
     header: HeaderItem,
     string_ids: Vec<StringIdItem>,