fix: include model artifacts for hugging face space

.gitattributes

@@ -0,0 +1 @@
+models/rossmann_model.json filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -8,5 +8,5 @@ data/output/
 docs/interview_cases.md
 docs/code_review.md
 .pytest_cache/
-models/*.json
+mlruns/
 reports/metrics/

README.md

@@ -12,6 +12,8 @@ pinned: false
 
 This project predicts daily Rossmann store sales from tabular retail data. It is a small end-to-end forecasting and MLOps learning project built around one training pipeline, one evaluation script, local experiment tracking, and one simple FastAPI endpoint with a browser page for manual testing.
 
+Live demo: [Hugging Face Space](https://huggingface.co/spaces/ymlin105/Rossmann-Store-Sales)
+
 ## What The Project Does
 
 - merges historical sales with store metadata

models/model_metadata.json

@@ -0,0 +1,6 @@
+{
+  "model_version": "20260401T181225Z-3cbd48c",
+  "created_at_utc": "20260401T181225Z",
+  "git_short_hash": "3cbd48c",
+  "model_path": "/Users/ymlin/Downloads/003-Study/137-Projects/07-Rossmann-Store-Sales/models/rossmann_model.json"
+}

models/rossmann_model.json

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a82339af67c15f7241b2c798c2daa99ec64c55debfe27d1bee776de8b1858b1a
+size 46629037