Initial commit: Børnetime app scaffold

FastAPI + Celery + Svelte app for English→Danish video translation
with voice cloning. Includes diarization, STT, translation, TTS,
and audio mixing pipeline.

backend/requirements.txt

@@ -0,0 +1,19 @@
+fastapi>=0.115.0
+uvicorn[standard]>=0.30.0
+sqlalchemy[asyncio]>=2.0.0
+aiosqlite>=0.20.0
+pydantic>=2.0.0
+pydantic-settings>=2.0.0
+celery>=5.4.0
+redis>=5.0.0
+python-multipart>=0.0.12
+ffmpeg-python>=0.2.0
+torch>=2.4.0
+transformers>=4.51.0
+boson_multimodal
+soundfile>=0.12.0
+librosa>=0.10.0
+pyannote.audio>=3.0.0
+llama-cpp-python>=0.3.0
+numpy>=1.24.0
+aiofiles>=24.0.0