README: update command list

Author: guggero

README.md

@@ -259,11 +259,13 @@ Available Commands:
   help                Help about any command
 
 Flags:
-  -h, --help      help for chantools
-  -r, --regtest   Indicates if regtest parameters should be used
-  -s, --signet    Indicates if the public signet parameters should be used
-  -t, --testnet   Indicates if testnet parameters should be used
-  -v, --version   version for chantools
+  -h, --help                help for chantools
+      --nologfile           If set, no log file will be created. This is useful for testing purposes where we don't want to create a log file.
+  -r, --regtest             Indicates if regtest parameters should be used
+      --resultsdir string   Directory where results should be stored (default "./results")
+  -s, --signet              Indicates if the public signet parameters should be used
+  -t, --testnet             Indicates if testnet parameters should be used
+  -v, --version             version for chantools
 
 Use "chantools [command] --help" for more information about a command.
 ```