feat(README): add demo video sections for Wuhan University Public Opinion and Dream of the Red Chamber simulations; include new image asset

chore(Screenshot): replace binary image file to enhance visual quality.

chore(Screenshot): update binary image file for improved visual content.

Update README

docs(README): update Python version requirements and enhance contact section

Add Shanda Group logo and acknowledgment in README files for strategic support

Update README files to include demo video links and enhance content presentation, along with adding a new demo video image.

Add MiroFish logo images