Initial commit: Chai-1 protein structure prediction pipeline for WES

- Nextflow pipeline using chai1 Docker image from Harbor
- S3-based input/output paths (s3://omic/eureka/chai-lab/)
- GPU-accelerated protein folding with MSA support

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

entrypoint.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Check if required CUDA device is available
+if ! command -v nvidia-smi &> /dev/null; then
+    echo "Error: NVIDIA GPU is required but not found"
+    exit 1
+fi
+
+# Execute the command passed to the container
+exec "$@"