Explain how to configure and use the Market microservice

[Tschakki]

Description

New Guide/explanation: How to configure and use the Market microservice

Additional information

For this, you'll need to set the EXCHANGERATESAPI_IO_API_KEY environment variable. You'll need your own API key from exchangeratesapi.io to access their API. Updating only the pm2 config file should be fine. ecosystem.core3.config.js Yes, it should be up after you update the config with the environment variable and run pm2 restart ecosystem.core3.config.js If you're using the Makefile based configs, add the environment variable to the docker/lisk-service/env/market.env file and make up should work. You need to run it from project's home directory: $ pm2 start ecosystem.core3.config.js