add day4

...+login/08_ECAR2023_jupyter4hpc_welcome+introduction_4.pdf

...oards/2_face_blurrer/1-create_JupyterKernel_general.ipynb

day4_dashboards/2_face_blurrer/2-get_model.ipynb

day4_dashboards/2_face_blurrer/Images/example_image.jpg

...boards/2_face_blurrer/Images_Out/example_image_blured.jpg

day4_dashboards/2_face_blurrer/Videos/Readme.md

day4_dashboards/2_face_blurrer/Videos_Out/Readme.md

day4_dashboards/2_face_blurrer/face_blurrer.ipynb

day4_dashboards/2_face_blurrer/model/ATTENTION.md

...dashboards/3_ipywidgets/01_Jupyter_Widget_Ecosystem.ipynb

...ashboards/3_ipywidgets/02_Widget_Layout_and_Styling.ipynb

day4_dashboards/3_ipywidgets/03_Widget_List.ipynb

day4_dashboards/3_ipywidgets/04_The_Output_Widget.ipynb

...dashboards/3_ipywidgets/05_Container_Layout_widgets.ipynb

day4_dashboards/3_ipywidgets/06_More_Widget_Libraries.ipynb

day4_dashboards/3_ipywidgets/07_voila.ipynb

day4_dashboards/3_ipywidgets/img/flexbox.png

day4_dashboards/3_ipywidgets/img/grid-line.png

day4_dashboards/3_ipywidgets/img/grid-track.png

day4_dashboards/3_ipywidgets/img/widget-model-view.png