Add adobe/remark-gridtables

This package is compatible with new versions of remark.

Signed-off-by: Benjamin Abel <[email protected]>

doc/plugins.md

@@ -160,6 +160,8 @@ The list of plugins:
   — remark plugin to add support for [GitHub Alert](https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#alerts)
 * ⚠️ [`remark-grid-tables`](https://github.com/zestedesavoir/zmarkdown/tree/HEAD/packages/remark-grid-tables#readme)
   — new syntax to describe tables (rehype compatible)
+* 🟢 [`@adobe/remark-grid-tables`](https://github.com/adobe/remark-gridtables)
+  — [pandoc compatible syntax](https://pandoc.org/chunkedhtml-demo/8.9-tables.html#extension-grid_tables) to describe tables (rehype compatible)  
 * 🟢 [`remark-heading-id`](https://github.com/imcuttle/remark-heading-id)
   — custom heading id support `{#custom-id}`
 * 🟢 [`remark-heading-gap`](https://github.com/remarkjs/remark-heading-gap)