Split PR and add Maisi find mask script

[Can-Zhao]

Fixes # .

Description

Split PR and add Maisi find mask script

Checks

• [x] Avoid including large-size files in the PR.
• [x] Clean up long text outputs from code cells in the notebook.
• [x] For security purposes, please check the contents and remove any sensitive info such as user names and private key.
• [ ] Ensure (1) hyperlinks and markdown anchors are working (2) use relative paths for tutorial repo files (3) put figure and graphs in the ./figure folder
• [ ] Notebook runs automatically ./runner.sh -t <path to .ipynb file>