README: properly indicate home directory

README.md

@@ -22,8 +22,8 @@ client_database_path = "cashier_client_database.db"
 btc_endpoint = "tcp://electrum.blockstream.info:50001"
 gateway_url = "127.0.0.1:3333"
 log_path = "/tmp/cashierd.log"
-cashierdb_path = "/home/x/.config/darkfi/cashier.db"
-client_walletdb_path = "/home/x/.config/darkfi/cashier_client_walletdb.db"
+cashierdb_path = "~/.config/darkfi/cashier.db"
+client_walletdb_path = "~/.config/darkfi/cashier_client_walletdb.db"
 password = "TEST_PASSWORD"
 client_password = "TEST_PASSWORD"
 ```
@@ -35,8 +35,8 @@ connect_url = "127.0.0.1:3333"
 subscriber_url = "127.0.0.1:4444"
 cashier_url = "127.0.0.1:7777"
 rpc_url = "127.0.0.1:8000"
-database_path = "/home/x/.config/darkfi/database_client.db"
-walletdb_path = "/home/x/.config/darkfi/walletdb.db"
+database_path = "~/.config/darkfi/database_client.db"
+walletdb_path = "~/.config/darkfi/walletdb.db"
 log_path = "/tmp/darkfid_service_daemon.log"
 password = "TEST_PASSWORD"
 ```