* Update 07_multi_container.md
Made it much more clearer as where the docker run command was being run this time.
In this article, the commands for setting up the to-do docker network, running the mysql container and finding its IP can be run from any CWD.
However, the docker run command here needs to be specifically run from getting-started/app directory.
* Update 07_multi_container.md
Fix: Had added a space by accident. Fixed!