Add WES pipeline configuration for pocketminer

- Add Nextflow pipeline (main.nf) with Harbor container image
- Add nextflow.config with k8s/k8s_gpu/standard profiles
- Add params.json for TRS/WES parameter discovery
- Add Dockerfile, entrypoint.py, meta.yml from original implementation
- Update paths to use /omic/eureka/Pocketminer/ convention
- Update .gitignore to allow params.json

.gitignore

@@ -0,0 +1,37 @@
+# Nextflow
+.nextflow/
+.nextflow.log*
+work/
+results/
+*.html
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+*.egg-info/
+dist/
+build/
+
+# Data
+*.pdb
+*.npy
+output/
+data/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Docker
+.dockerignore
+
+# Models (large files)
+models/
+*.ckpt
+*.h5
+*.pkl