Initial commit: Aurora Moments self-hosted photo/video sharing platform

Django/DRF + PostgreSQL/Redis/Celery backend with accounts, library,
moments, and notifications apps; React/TypeScript/Vite frontend with
Instagram-style sidebar nav, feed, profiles, nested comment replies,
notifications, and photo/video upload with ffmpeg-generated posters.

Co-Authored-By: Claude Sonnet 5 <[email protected]>

.gitignore

@@ -0,0 +1,28 @@
+# Python / Django
+__pycache__/
+*.py[cod]
+*.sqlite3
+.venv/
+venv/
+api/media/
+api/staticfiles/
+api/.env
+
+# Node / web
+web/node_modules/
+web/dist/
+web/.env
+
+# Mobile
+mobile/node_modules/
+mobile/ios/Pods/
+mobile/.expo/
+
+# Env files
+.env
+!.env.example
+
+# Editors / OS
+.DS_Store
+.vscode/
+.idea/