update images

...Jupyter/Activate_JupyterJSC_2-factor-authentication.ipynb

001-Jupyter/images/2fa_img01.png

001-Jupyter/images/2fa_img02.png

001-Jupyter/images/2fa_img03.png

001-Jupyter/images/2fa_img04.png

001-Jupyter/images/2fa_img05.png

001-Jupyter/images/2fa_img06.png

001-Jupyter/images/jupyter-jsc_2fa_img01.png

001-Jupyter/images/jupyter-jsc_2fa_img02.png

001-Jupyter/images/jupyter-jsc_2fa_img03-1.png

001-Jupyter/images/jupyter-jsc_2fa_img03-2.png

001-Jupyter/images/jupyter-jsc_2fa_img03.png

001-Jupyter/images/jupyter-jsc_2fa_img04.png

001-Jupyter/images/jupyter-jsc_2fa_img05.png

001-Jupyter/images/jupyter-jsc_2fa_img06.png