change ceremony repo format

quorum-key-management/src/component-documents/ceremony-repository.md

@@ -27,7 +27,8 @@ This repository holds data pertaining to ceremonies. The primary data consists o
 ## Repository Structure
 
 ```
-ceremonies/
+<namespace>
+    <ceremonies/>
         <date>/
             log.txt
                 - [ ] TODO: write a layout for the log
@@ -39,6 +40,7 @@ blockchain_metadata/
     policies/
         spending-policy.json [NOT IMPLEMENTED]
     keyring.asc
+        TODO figure out if we are doing detached sigs
     shardfile.asc
 ```