chore(highcharts): add metadata for chernoff-basic

Author: github-actions[bot]

plots/chernoff-basic/metadata/javascript/highcharts.yaml

@@ -0,0 +1,21 @@
+# Per-library metadata for highcharts implementation of chernoff-basic
+# Auto-generated by impl-generate.yml
+
+library: highcharts
+language: javascript
+specification_id: chernoff-basic
+created: '2026-09-02T15:07:55Z'
+updated: '2026-09-02T15:07:55Z'
+generated_by: claude-sonnet
+workflow_run: 33645868920
+issue: 3003
+language_version: 22.23.2
+library_version: 12.6.0
+preview_url_light: https://storage.googleapis.com/anyplot-images/plots/chernoff-basic/javascript/highcharts/plot-light.png
+preview_url_dark: https://storage.googleapis.com/anyplot-images/plots/chernoff-basic/javascript/highcharts/plot-dark.png
+preview_html_light: https://storage.googleapis.com/anyplot-images/plots/chernoff-basic/javascript/highcharts/plot-light.html
+preview_html_dark: https://storage.googleapis.com/anyplot-images/plots/chernoff-basic/javascript/highcharts/plot-dark.html
+quality_score: null
+review:
+  strengths: []
+  weaknesses: []