chore(letsplot): add metadata for bar-basic

Author: github-actions[bot]

plots/bar-basic/metadata/letsplot.yaml

@@ -0,0 +1,23 @@
+# Per-library metadata for letsplot implementation of bar-basic
+# Auto-generated by impl-generate.yml
+
+library: letsplot
+specification_id: bar-basic
+
+# Preview URLs (filled by workflow)
+preview_url: https://storage.googleapis.com/pyplots-images/plots/bar-basic/letsplot/plot.png
+preview_thumb: https://storage.googleapis.com/pyplots-images/plots/bar-basic/letsplot/plot_thumb.png
+preview_html: https://storage.googleapis.com/pyplots-images/plots/bar-basic/letsplot/plot.html
+
+current:
+  version: 0
+  generated_at: 2025-12-13T07:47:06Z
+  generated_by: claude-opus-4-5-20251101
+  workflow_run: 20188986965
+  issue: 612
+  quality_score: null
+  # Version info (filled by workflow)
+  python_version: "3.13"
+  library_version: ""
+
+history: []