Add sidecar metadata files

crates/pile-dataset/src/extract/mod.rs

@@ -1,14 +1,17 @@
-mod flac;
+use pile_config::Label;
 use std::{collections::HashMap, rc::Rc};
 
+mod flac;
 pub use flac::*;
 
 mod fs;
 pub use fs::*;
 
+mod sidecar;
+pub use sidecar::*;
+
 mod map;
 pub use map::*;
-use pile_config::Label;
 
 /// An attachment that extracts metadata from an [Item].
 ///
@@ -46,6 +49,10 @@ impl<'a> MetaExtractor<'a, crate::FileItem> {
 					Label::new("fs").unwrap(),
 					crate::PileValue::Extractor(Rc::new(FsExtractor::new(item))),
 				),
+				(
+					Label::new("sidecar").unwrap(),
+					crate::PileValue::Extractor(Rc::new(SidecarExtractor::new(item))),
+				),
 			]),
 		};
 
@@ -63,6 +70,10 @@ impl Extractor<crate::FileItem> for MetaExtractor<'_, crate::FileItem> {
 
 	#[expect(clippy::unwrap_used)]
 	fn fields(&self) -> Result<Vec<Label>, std::io::Error> {
-		return Ok(vec![Label::new("flac").unwrap(), Label::new("fs").unwrap()]);
+		return Ok(vec![
+			Label::new("flac").unwrap(),
+			Label::new("fs").unwrap(),
+			Label::new("sidecar").unwrap(),
+		]);
 	}
 }