Remove __pycache__ references in documentation

The __pycache__ directory and its compiled files are eliminated from the documentation. These files are generated automatically and might vary among different local setups so it's unnecessary to include them in the document's file structure outline.

Author: lipemorais

docs/index.md

@@ -86,11 +86,6 @@ This will create the app structure for us. Something similar to this below:
 ├── db.sqlite3
 ├── first_api
 │   ├── __init__.py
-│   ├── __pycache__
-│   │   ├── __init__.cpython-312.pyc
-│   │   ├── settings.cpython-312.pyc
-│   │   ├── urls.cpython-312.pyc
-│   │   └── wsgi.cpython-312.pyc
 │   ├── asgi.py
 │   ├── settings.py
 │   ├── urls.py