Refactor docs

Author: wooorm

readme.md

@@ -87,7 +87,7 @@ If your content is not in English, you should configure that utility.
 ## Install
 
 This package is [ESM only][esm].
-In Node.js (version 14.14+ and 16.0+), install with [npm][]:
+In Node.js (version 16+), install with [npm][]:
 
 ```sh
 npm install mdast-util-gfm
@@ -143,10 +143,10 @@ A note[^1]
 
 ```js
 import fs from 'node:fs/promises'
-import {fromMarkdown} from 'mdast-util-from-markdown'
-import {toMarkdown} from 'mdast-util-to-markdown'
 import {gfm} from 'micromark-extension-gfm'
+import {fromMarkdown} from 'mdast-util-from-markdown'
 import {gfmFromMarkdown, gfmToMarkdown} from 'mdast-util-gfm'
+import {toMarkdown} from 'mdast-util-to-markdown'
 
 const doc = await fs.readFile('example.md')
 
@@ -389,13 +389,13 @@ and `TableCell` types of the mdast nodes are exposed from `@types/mdast`.
 
 ## Compatibility
 
-Projects maintained by the unified collective are compatible with all maintained
+Projects maintained by the unified collective are compatible with maintained
 versions of Node.js.
-As of now, that is Node.js 14.14+ and 16.0+.
-Our projects sometimes work with older versions, but this is not guaranteed.
 
-This plugin works with `mdast-util-from-markdown` version 1+ and
-`mdast-util-to-markdown` version 1+.
+When we cut a new major release, we drop support for unmaintained versions of
+Node.
+This means we try to keep the current release line, `mdast-util-gfm@^2`,
+compatible with Node.js 12.
 
 ## Related
 
@@ -432,9 +432,9 @@ abide by its terms.
 
 [downloads]: https://www.npmjs.com/package/mdast-util-gfm
 
-[size-badge]: https://img.shields.io/bundlephobia/minzip/mdast-util-gfm.svg
+[size-badge]: https://img.shields.io/badge/dynamic/json?label=minzipped%20size&query=$.size.compressedSize&url=https://deno.bundlejs.com/?q=mdast-util-gfm
 
-[size]: https://bundlephobia.com/result?p=mdast-util-gfm
+[size]: https://bundlejs.com/?q=mdast-util-gfm
 
 [sponsors-badge]: https://opencollective.com/unified/sponsors/badge.svg