Import ciborium-io crate.

Bug: 216214232
Test: mm

Change-Id: Iff7e0288624a03d358bdcb6e36668fd00ec2177a
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..c2dc8b2
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,18 @@
+name: "ciborium-io"
+description:
+    "Simplified Read/Write traits for no_std usage"
+
+third_party {
+  url {
+    type: HOMEPAGE
+    value: "https://crates.io/crates/ciborium-io/0.2.0"
+  }
+  url {
+    type: ARCHIVE
+    value: "https://static.crates.io/crates/ciborium-io/ciborium-io-0.2.0.crate"
+  }
+  version: "0.2.0"
+  last_upgrade_date { year: 2022 month: 1 day: 17 }
+  license_type: NOTICE
+}
+