如何使用Sequelize建立关系

I was hoping that someone could help me correctly setup the relationships in Sequelize. I believe I have the models correctly setup, but I am not sure as I have never used the api before, and the documentation is confusing. I have attached a picture of what I think the tables should look like, and below are some code snippets of what I think should happen but I can't tell.I was hoping that someone could help me correct