Merge pull request #1 from KiadyNirina/dev

Added title parameter to Dash app initialization

Refactor layouts.py to use Tailwind CSS and update styles.css to match new layout

Added markers to line and default graph types in create_figure function.

update callbacks.py, figures.py and layouts.py

Added graph type selection dropdown and updated create_figure function to support different graph types.

Update .gitignore, app.py, callbacks.py, and requirements.txt with minor changes.

app v1