feat: add 3D WebGL globe, CelesTrak space tracking, and switch to AGPLv3

- Add interactive 3D globe (Globe.gl) with atmosphere, star field, and smooth rotation
- Add animated flight corridor arcs between air traffic hotspots and global hubs
- Add flat map toggle for classic D3 view
- Add CelesTrak as 27th intelligence source (satellite tracking, ISS, military constellations)
- Add Space Watch panel to dashboard
- Switch license from MIT to AGPL-3.0-only
- Update README with 3D globe screenshots, new source count, and license badge

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package.json

@@ -16,7 +16,7 @@
   },
   "keywords": ["osint", "intelligence", "dashboard", "geopolitical"],
   "author": "Crucix",
-  "license": "ISC",
+  "license": "AGPL-3.0-only",
   "engines": {
     "node": ">=22",
     "npm": ">=10"