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>

input/growth_hormone_restraints.txt

@@ -0,0 +1,12 @@
+# Restraints for growth hormone complex based on known binding interface
+# Format: chain1 resid1 chain2 resid2 distance_lower distance_upper confidence
+# Key interface contacts between growth hormone and its receptor
+A 14 B 43 4.0 8.0 0.8
+A 167 B 57 4.0 8.0 0.8
+A 171 B 62 4.0 8.0 0.8
+A 175 B 102 4.0 8.0 0.8
+A 178 B 166 4.0 8.0 0.8
+
+# Additional stabilizing contacts
+A 65 B 150 4.0 9.0 0.7
+A 164 B 191 4.0 9.0 0.7