mp4 files for readme

[kotakondo]

https://github.com/user-attachments/assets/175d183b-60ea-40a3-92ae-1ece3cdf40e6
https://github.com/user-attachments/assets/f9bf40c3-18ec-498c-80f7-e7ff92dcb2a6
https://github.com/user-attachments/assets/aac54514-d8fb-4aa7-8304-63ffc71c2bad
https://github.com/user-attachments/assets/3a6a9805-078e-4b12-bc5e-d3421edce9cf
https://github.com/user-attachments/assets/f672ad26-3e06-4cbf-99d2-fd6b2eaeac1d
https://github.com/user-attachments/assets/6718410a-aa0d-4726-a6ca-605a22e25b2c
https://github.com/user-attachments/assets/61e676a6-4b03-480a-90b3-4dafb19d7198
https://github.com/user-attachments/assets/7279e010-bde3-4061-9a28-07a145092276