feat: Add dashboard-data.js to repository for GitHub Pages deployment

- Remove dashboard-data.js from .gitignore to enable deployment
- Include 7.79 MB data file containing 12,561 papers for live dashboard
- Ensures GitHub Pages has all required assets for full functionality
- Data file contains complete metadata, citations, and hierarchical classifications

Author: carlosdenner-videns

.gitignore

@@ -12,10 +12,6 @@
 !/LICENSE
 !/.github/
 
-# But within ISR-submission, exclude the large dashboard data file
-# (It's already committed, but won't track future changes)
-ISR-submission/dashboard/dashboard-data.js
-
 # === STANDARD IGNORES ===
 
 # Python