Merge pull request #885 from selgebali/patch-4

Modify hierarchy in BioSample draft

Author: gtsueng

pages/_types/BioSample/0.2-DRAFT.html

@@ -15,6 +15,10 @@
 hierarchy:
 - Thing
 - BioChemEntity
+hierarchy:
+- Thing
+- Sample
+- BioSample
 gh_tasks: https://github.com/Bioschemas/specifications/labels/type%3A%20Sample
 group: samples
 name: BioSample