How to add connectionstring configuration information along with the dll

We have a sqlite database which we distribute along with a proprietary Assembly to an external customer.Could someone tell us how we can have a config file for the assembly which contain the connectionstring information(possibly along with encrypted password)so that the consumer of our assembly need not have to set the connectionstring information within their calling application config.The sqlite db contain data(read-only) which is required by the dll to do some calculation. Any help is appreciated.