change ceremony repo format

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

@@ -27,19 +27,21 @@ 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
             payloads/
                 payload_<num>.json
                 payload_<num>.json.sig
-blockchain_metadata/
+    blockchain_metadata/
         sol_nonce_address.txt
-policies/
+    policies/
         spending-policy.json [NOT IMPLEMENTED]
-keyring.asc
-shardfile.asc
+    keyring.asc
+        TODO figure out if we are doing detached sigs
+    shardfile.asc
 ```
 
 ## Procedure: Setting up Repository