feat: initialize aivideo project

.gitignore

@@ -0,0 +1,26 @@
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+.Python
+.env
+.env.*
+!.env.example
+.venv/
+venv/
+backend/.pytest_cache/
+backend/storage_data/
+backend/alembic/versions/__pycache__/
+frontend-web/.next/
+frontend-web/node_modules/
+frontend-web/out/
+frontend-admin/.next/
+frontend-admin/node_modules/
+frontend-admin/out/
+node_modules/
+*.log
+*.sqlite3
+dist/
+coverage/
+.DS_Store
+git仓库连接信息.txt