Add sponsor list JSON and corresponding HTML for event celebration

- Created sponsorList.json with details of sponsors for the event "永平新港汕河体育协会 2 周年庆联欢晚宴".
- Developed index.html to display the event title, sponsor logos, and a scrolling list of sponsors using Vue.js.
- Implemented sorting logic for sponsors based on type and amount.
- Added animations for sponsor display and ensured responsive design.

20251115/永平新港汕河

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+竞标软件
+背景设计静态（要有 Logo）
+Sponsor List