chore: add processed data, outputs, and proposal

- Add processed/ ML features and GCN model inputs
- Add Outputs/ GIS analysis, deploy configs, lit review
- Add proposal document for 湖北省卫生健康科技项目
- Enable full data portability for cross-machine development

.gitignore

@@ -4,11 +4,6 @@ __pycache__/
 *.pyc
 .env
 mlflow.db
-*.parquet
-processed/
-outputs/
-Outputs/
-Datas/
 .idea/
 .vscode/
 dist/
@@ -19,6 +14,4 @@ cache/
 logs/
 mlruns/
 .playwright-mcp/
-*.png
-*.docx
 *Zone.Identifier