docs: suggest dag/files cmds in place of object

This is a cosmetic change to 'ipfs --help' that
reorders operations to prioritize 'dag' and 'files' over legacy 'object'.

Context: #7936

README.md

@@ -296,18 +296,23 @@ SUBCOMMANDS
     refs <ref>    List hashes of links from an object
 
   DATA STRUCTURE COMMANDS
+    dag           Interact with IPLD DAG nodes
+    files         Interact with files as if they were a unix filesystem
+    object        Interact with objects (deprecated, use 'dag' or 'files')
     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
 
   ADVANCED COMMANDS
     daemon        Start a long-running daemon process
     mount         Mount an IPFS read-only mount point
     resolve       Resolve any type of name
-    name          Publish or resolve IPNS names
+    name          Publish and resolve IPNS names
+    key           Create and list IPNS name keypairs
     dns           Resolve DNS links
     pin           Pin objects to local storage
-    repo          Manipulate an IPFS repository
+    repo          Manipulate the IPFS repository
+    stats         Various operational stats
+    p2p           Libp2p stream mounting
+    filestore     Manage the filestore (experimental)
 
   NETWORK COMMANDS
     id            Show info about IPFS peers
@@ -322,6 +327,8 @@ SUBCOMMANDS
     version       Show IPFS version information
     update        Download and apply go-ipfs updates
     commands      List all available commands
+    cid           Convert and discover properties of CIDs
+    log           Manage and show logs of running daemon
 
   Use 'ipfs <command> --help' to learn more about each command.
 

core/commands/object/object.go

@@ -48,10 +48,10 @@ const (
 
 var ObjectCmd = &cmds.Command{
 	Helptext: cmds.HelpText{
-		Tagline: "Interact with IPFS objects.",
+		Tagline: "Interact with objects (deprecated, use 'dag' or 'files')",
 		ShortDescription: `
-'ipfs object' is a plumbing command used to manipulate DAG objects
-directly.`,
+'ipfs object' is a legacy plumbing command used to manipulate DAG objects
+directly. Deprecated, use more modern 'ipfs dag' and 'ipfs files' instead.`,
 	},
 
 	Subcommands: map[string]*cmds.Command{

core/commands/root.go

@@ -32,18 +32,18 @@ var Root = &cmds.Command{
 		Synopsis: "ipfs [--config=<config> | -c] [--debug | -D] [--help] [-h] [--api=<api>] [--offline] [--cid-base=<base>] [--upgrade-cidv0-in-output] [--encoding=<encoding> | --enc] [--timeout=<timeout>] <command> ...",
 		Subcommands: `
 BASIC COMMANDS
-  init          Initialize ipfs local configuration
+  init          Initialize local IPFS configuration
   add <path>    Add a file to IPFS
   cat <ref>     Show IPFS object data
   get <ref>     Download IPFS objects
   ls <ref>      List links from an object
   refs <ref>    List hashes of links from an object
 
 DATA STRUCTURE COMMANDS
+  dag           Interact with IPLD DAG nodes
+  files         Interact with files as if they were a unix filesystem
+  object        Interact with objects (deprecated, use 'dag' or 'files')
   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
-  dag           Interact with IPLD documents (experimental)
 
 ADVANCED COMMANDS
   daemon        Start a long-running daemon process