RIFT 16525 Make file-types consistent in get-pacakge-schema and package-file-add RPCs.

Signed-off-by: sinhan <nandan.sinha@riftio.com>
diff --git a/rwlaunchpad/plugins/rwpkgmgr/rift/tasklets/rwpkgmgr/proxy/filesystem.py b/rwlaunchpad/plugins/rwpkgmgr/rift/tasklets/rwpkgmgr/proxy/filesystem.py
index 6b4aba1..cc89889 100644
--- a/rwlaunchpad/plugins/rwpkgmgr/rift/tasklets/rwpkgmgr/proxy/filesystem.py
+++ b/rwlaunchpad/plugins/rwpkgmgr/rift/tasklets/rwpkgmgr/proxy/filesystem.py
@@ -40,7 +40,7 @@
     # Refer: https://confluence.riftio.com/display/ATG/Launchpad+package+formats
     SCHEMA = {
         "nsd": ["icons", "ns_config", "scripts", "vnf_config"],
-        "vnfd": ["charms", "cloud_init", "icons", "images", "scripts"]
+        "vnfd": ["charms", "cloud_init", "icons", "images", "scripts", "readme"]
     }
 
     SCHEMA_TO_PERMS = {'scripts': 0o777}