add files from m63205. Essential sample group. Canon

data/file_features/under_consideration/isobmff_essential_sample_group/essg_sample1.json

@@ -0,0 +1,14 @@
+{
+  "contributor": "CANON Research Centre France",
+  "description": "synthetic VVC track with a SAP sample group marked as essential",
+  "mdms_number": "m63205",
+  "rel_filepath": "./essg_sample1.mp4",
+  "associated_files": [],
+  "version": 1,
+  "md5": "945fc8680ffd4432988e8cf810489ec4",
+  "published": false,
+  "features": [],
+  "conforms_to": [],
+  "notes": "",
+  "license": ""
+}