Merge pull request #2537 from noffle/files-api-help

Adds Files API cmd to helptext

core/commands/root.go

@@ -42,6 +42,7 @@ DATA STRUCTURE COMMANDS
 
     block         Interact with raw blocks in the datastore
     object        Interact with raw dag nodes
+    files         Interact with objects as if they were a unix filesystem
     file          Interact with Unix filesystem objects
 
 ADVANCED COMMANDS