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.

.env.template

@@ -0,0 +1,9 @@
+HF_TOKEN=hf_your_huggingface_token_here
+# Models will be auto-downloaded on first run.
+# For TranslateGemma GGUF, place the file at:
+#   ./models/translategemma-12b-q8_0.gguf
+# Or set TRANSLATE_MODEL_PATH to the actual path.
+#
+# GPU selection:
+# CUDA_VISIBLE_DEVICES=0  -> worker uses GPU 0
+# ROCR_VISIBLE_DEVICES=1  -> SGLang TTS uses GPU 1