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/app/main.py

@@ -0,0 +1,43 @@
+import os
+import logging
+from contextlib import asynccontextmanager
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from .models.database import init_db
+from .api.videos import router as videos_router
+from .api.jobs import router as jobs_router
+from .config import settings
+
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
+)
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    os.makedirs(settings.video_dir, exist_ok=True)
+    os.makedirs(settings.app_data_dir, exist_ok=True)
+    os.makedirs(settings.temp_dir, exist_ok=True)
+    await init_db()
+    yield
+
+
+app = FastAPI(title="B\u00f8rnetime", version="1.0.0", lifespan=lifespan)
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+app.include_router(videos_router, prefix="/api/videos", tags=["videos"])
+app.include_router(jobs_router, prefix="/api/jobs", tags=["jobs"])
+
+
+@app.get("/api/health")
+async def health():
+    return {"status": "ok"}