[MOVIE]: All About My Mother (1999)

### Database URL

https://www.themoviedb.org/movie/99-todo-sobre-mi-madre

### YouTube Theme Song Video URL

https://youtu.be/_mxIrW2yKT8?list=RD_mxIrW2yKT8&t=4

### Additional Information

- [ ] This is a replacement request. If checked, please provide a reason below.

### Replacement Reason

_No response_

Start by reviewing the repository's existing movie database entries and contribution format, then verify the provided The Movie Database and YouTube URLs. Done means All About My Mother (1999) is added with the supplied database URL and theme-song video URL, without treating it as a replacement request.

Written by the indexing model from the issue text.