Hi, friends! 🙂  I noticed that many developers want to help - that’s great! 😊  But they don’t understand how to set up a working environment to contribute. And this becomes a serious problem on the way to contribution.  I am developing yii-dev-tool for the framework. And I noticed that we do not have a detailed description of how to use it. That is why I decided to write a detailed example of contributing to the framework. Here I will now duplicate this instruction so that you...