Add doc comment for ingest_structure

freva/src/drs/ingest.rs

@@ -100,6 +100,12 @@ pub async fn ingest<P: AsRef<Path>>(
     })
 }
 
+/// Ingests a single structure from the DRS config.
+///
+/// This handles crawling the structure's `root_dir` and ingesting any files it finds there are valid for the structure.
+/// This inserts the files it finds into both files and latest collection within solr.
+///
+/// Invalid files, whatever the reason they're invalid, will be skipped.
 async fn ingest_structure(
     solr: Solr,
     structure: Structure,