Added 10 artists, albums, and songs in each database model

Fixes UI when displaying foreign keys available in the admin panel

Now has list display, filtering, and search functionalities

Can now input album, artist, and song models from the admin panel

Successfully added an entry into table artist

Part 3 of the lab1 is finished although I'm not sure if it's everything that needs to be done. Do we display the model data in the webpage too?

Apps have been initialized and containes numbers 1 and 2 of the lab specifications. Missing model implementations.

Contains the Django virtual environment as well as the necessary file for the secret key. The 3 needed apps have been initialized without any major edits yet, except for the homepage view