You need to deploy a Microsoft Teams app. The app will create a Microsoft Teams personal tab that displays a website.
Solution: From the Developer Portal, you create a Microsoft Teams app, you add a personal tab, and then you enter the name, ID, and content URL of the website.
Does this meet the goal?
A possible solution that meets the goal is:
From the command prompt, install Microsoft Teams app generator by entering:npm install generator-teams --global
Generate your application with a personal tab using:yo teams
Add a content page to the personal tab
Create your app package using:gulp manifest
Build and run your application using:gulp serve
Upload your app in Teams by sideloading it for personal use2

