Update dataset-metadata.json

dataset-metadata.json

@@ -0,0 +1,9 @@
+{
+  "title": "t5-large-eli5-90K-3epochs",
+  "id": "ratthachat/t5-large-eli5-90K-3epochs",
+  "licenses": [
+    {
+      "name": "CC0-1.0"
+    }
+  ]
+}