How to install Yii2 from github?

There here is such Yii2 engine api for searching airtickets. I can not understand how to install it and make it work?
I even specifically linux installed for more convenient work on this project. But I can not understand what is wrong..
I installed NPM with nodejs, then installed Composer and then installed WebPack which is needed in the end. Copied the files to the engine, installed composer, then ran it through npm and webpack, but he does not react.. that's what shows
April 4th 20 at 13:25
2 answers
April 4th 20 at 13:27
npm run build in the directory frontend
April 4th 20 at 13:29
In the root folder of the project make
npm install
npm run build

By the way, install webpack is not necessary, inside the project will still be installed your.
A lot of mistakes and nothing more.. - Benton.Bra commented on April 4th 20 at 13:32
@Benton.Bra, mistakes in the Studio - Dina.Powlows commented on April 4th 20 at 13:35

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