Fix bug in using csv dataset

Add flexible dataset controls

Remove unused code

Refactor code to use gr.State to prevent race conditions with multiple users

Make the data plot into a 3D interactive plotly plot

Add a regularization strength vs weight plot

Use ElasticNet's regularization path generator when using l2 loss

Split the regularization and data plots into two tabs

Optimised loss and regularization calculations

Add data plot

Add regularization path

Distinguish loss and regularization contours and add legend

- update layout

initial commit