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>

nextflow.config

@@ -0,0 +1,11 @@
+docker {
+    enabled = true
+    temp = 'auto'
+}
+
+aws {
+    client {
+        endpoint = 'https://s3.cluster.omic.ai'
+        s3PathStyleAccess = true
+    }
+}