add files from m67639 replacing files from m63203

Since this PR re-submits the files we can close #108

data/file_features/under_consideration/heif_rgan_item_conformance/region-derived-crop.json

@@ -0,0 +1,14 @@
+{
+  "contributor": "CANON Research Centre France",
+  "description": "Derived region item using a 'clap' transformative item property.",
+  "mdms_number": "m67639",
+  "rel_filepath": "./region-derived-crop.heic",
+  "associated_files": [],
+  "version": 1,
+  "md5": "de0b6d14470098a201586982f8ebc6f2",
+  "published": false,
+  "features": [],
+  "conforms_to": [],
+  "notes": "",
+  "license": ""
+}

data/file_features/under_consideration/heif_rgan_item_conformance/region-derived-crop_gpac.ext.json

@@ -0,0 +1,16 @@
+{
+  "mp4boxVersion": "MP4Box - GPAC version 2.5-DEV-rev16-g205bfe31-master",
+  "rel_filepath": "./region-derived-crop.heic",
+  "extensions": [
+    {
+      "location": "file.meta.iprp.ipco",
+      "box": {
+        "@Size": "29",
+        "@Type": "udes",
+        "@Specification": "unknown",
+        "@Container": "ipco",
+        "@data": "0x00000000656E2D4742004869626973637573000000"
+      }
+    }
+  ]
+}