* add anvil config and volume to remember state and output account info; nwaku config to register rln membership
* modify run_nwaku.sh for onchain rln
* add script for rln membership registration
* run_nwaku update, removed rln membership index and added other rln parameters
* merged run_register_rln with the run_nwaku script
* added environment variables for rln-contract registration
* removed rpc related flags and added rest flags for sake of completeness, also updated BOOTSTRAP_ENR query
* removed rpc flags, added cred-path and -password
* added keystore volume and 8645 port
* removed keystore volume and keystore parent directory
* remove unused service from docker-compose
Tanya S