chore: import upstream snapshot with attribution

examples/openai_api/.env.example

@@ -0,0 +1,8 @@
+# Host port exposed by Docker Compose.
+FUNASR_HOST_PORT=8000
+
+# The example Docker image defaults to CPU so the container can start on machines
+# without NVIDIA Container Toolkit. Keep CPU mode unless the image has CUDA-capable PyTorch.
+FUNASR_DEVICE=cpu
+# Set FUNASR_DEVICE=cuda only after using a CUDA-capable PyTorch image.
+FUNASR_MODEL=sensevoice