update readme

Author: blockpinetwork

README.md

@@ -34,4 +34,9 @@ curl -u blockpi:<password> 'http://localhost:8012/config'
 To update the configuration, the following command can be run:
 ```shell
 curl -u blockpi:<password> -X POST 'http://localhost:8012/config' --header 'Content-Type: application/json' --data-raw '{"password":"blockpi","request_timeout":30,"max_retries":3,"nodes":{"bsc":[{"name":"blockpi-public-bsc","endpoint":"https://bsc.blockpi.network/v1/rpc/public","weight":100,"read_only":false,"disabled":false}],"ethereum":[{"name":"blockpi-public-ethereum","endpoint":"https://ethereum.blockpi.network/v1/rpc/public","weight":90,"read_only":false,"disabled":false},{"name":"ethereum-ankr","endpoint":"https://rpc.ankr.com/eth","weight":10,"read_only":false,"disabled":false}]},"phishing_db":["https://cfg.rpchub.io/agg/scam-addresses.json"],"phishing_db_update_interval":60}'
-```
+```
+
+## Reset configuration
+1. Stop the aggregator. 
+2. Delete the configuration directory `rm -rf $HOME/.blockpi/aggregator/`.
+3. Restart the aggregator