Create data model

[laiifuu]

Hi 👋

For this PR, I:

• Created a new app.
• Initialized it with Git.
• Made sure that the project has Postgres database set up.
• Built project's schema.

[alexander16108]

Hi @laiifuu ,

Your project is complete! There is nothing else to say other than... it's time to merge it
Congratulations! 🎉

Highlights

• Good commit history ✔️
• Good PR description ✔️
• Your README file is professional ✔️

Optional suggestions

Every comment with the [OPTIONAL] prefix won't stop the approval of this PR. However, I strongly recommend you to take them into account as they can make your code better. Some of them were simply missed by the previous reviewer and addressing them will really improve your application.

Cheers and Happy coding!👏👏👏

Feel free to leave any questions or comments in the PR thread if something is not 100% clear.
Please, remember to tag me in your question so I can receive the notification.

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