Change Details

`npm test`

`npm test` `ts-node index.ts` and db is created and populated with blacklist `ctrl+c` and shuts down gracefully `ts-node index.ts` and db is connected, blacklist collection is not overwritten, we see console.log that it has 12 elements

`npm test` `ts-node index.ts` and db is created and populated with blacklist `ctrl+c` and shuts down gracefully `ts-node index.ts` and db is connected, blacklist collection is not overwritten, we see console.log that it has 12 elements