Add hf-jobs tag to README frontmatter

Standardizing metadata tags across uv-scripts organization
for better discoverability of HF Jobs-compatible scripts.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

README.md

@@ -5,6 +5,7 @@ tags:
   - dataset-statistics
   - polars
   - temporal-analysis
+  - hf-jobs
 license: apache-2.0
 ---