[New Feat] If dubbo website need AOS animations for enhanced scroll effects .I can try to pull request

## Describe the proposal
Add AOS animations

Integrated AOS (Animate On Scroll) library
Applied animations to various sections of the site
Improved user experience with smooth scroll effects
just like:
https://streampark.apache.org/zh-CN/
https://[michalsnik.github.io](https://michalsnik.github.io/aos/)/aos/

Start by reviewing the dubbo website's current page structure and the AOS documentation and examples linked in the issue. Identify which site sections are intended to receive scroll animations; done means the selected sections have smooth, consistent effects without harming usability.

Written by the indexing model from the issue text.