Adds files api cmd to helptext

License: MIT
Signed-off-by: Stephen Whitmore <noffle@ipfs.io>

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