Add noobs export stage

export-noobs/00-release/files/os.json

@@ -0,0 +1,18 @@
+{
+    "description": "A community-created port of Debian jessie for the Raspberry Pi",
+    "feature_level": 35120124,
+    "kernel": "4.4",
+    "name": "Raspbian",
+    "password": "raspberry",
+    "release_date": "UNRELEASED",
+    "supported_hex_revisions": "2,3,4,5,6,7,8,9,d,e,f,10,11,12,14,19,1040,1041,0092,0093,2082",
+    "supported_models": [
+        "Pi Model",
+        "Pi 2",
+        "Pi Zero",
+        "Pi 3"
+    ],
+    "url": "http://www.raspbian.org/",
+    "username": "pi",
+    "version": "jessie"
+}