Merge pull request #2412 from ipfs/docs/config-opts-defaults

Added defaults to config opts descriptions

core/commands/config.go

@@ -58,8 +58,8 @@ Set the value of the 'datastore.path' key:
 		cmds.StringArg("value", false, false, "The value to set the config entry to."),
 	},
 	Options: []cmds.Option{
-		cmds.BoolOption("bool", "Set a boolean value."),
-		cmds.BoolOption("json", "Parse stringified JSON."),
+		cmds.BoolOption("bool", "Set a boolean value. Default: false."),
+		cmds.BoolOption("json", "Parse stringified JSON. Default: false."),
 	},
 	Run: func(req cmds.Request, res cmds.Response) {
 		args := req.Arguments()