Add photos button to main page

Signed-off-by: Matty Widdop <18513864+MattyTheHacker@users.noreply.github.com>

Author: MattyTheHacker

_data/ball/2025.yaml

@@ -18,6 +18,8 @@ links:
     url:  '#tickets'
   - text: FAQs
     url: '#faq'
+  - text: Photos
+    url: '/ball/2025/photos'
 
 menu-links:
   - text: Home