Add improved docs

Author: wooorm

readme.md

@@ -8,19 +8,54 @@
 [![Backers][backers-badge]][collective]
 [![Chat][chat-badge]][chat]
 
-[**nlcst**][nlcst] utility to normalize a word for easier comparison.
+[nlcst][] utility to normalize a word for easier comparison.
 
-## Install
+## Contents
+
+*   [What is this?](#what-is-this)
+*   [When should I use this?](#when-should-i-use-this)
+*   [Install](#install)
+*   [Use](#use)
+*   [API](#api)
+    *   [`normalize(value[, options])`](#normalizevalue-options)
+*   [Types](#types)
+*   [Compatibility](#compatibility)
+*   [Related](#related)
+*   [Contribute](#contribute)
+*   [License](#license)
+
+## What is this?
+
+This utility serializes a node and cleans it.
+
+## When should I use this?
+
+This package is a tiny utility that helps when comparing natural language to
+word lists.
 
-This package is [ESM only](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c):
-Node 12+ is needed to use it and it must be `import`ed instead of `require`d.
+## Install
 
-[npm][]:
+This package is [ESM only][esm].
+In Node.js (version 12.20+, 14.14+, 16.0+, 18.0+), install with [npm][]:
 
 ```sh
 npm install nlcst-normalize
 ```
 
+In Deno with [`esm.sh`][esmsh]:
+
+```js
+import {normalize} from "https://esm.sh/nlcst-normalize@3"
+```
+
+In browsers with [`esm.sh`][esmsh]:
+
+```html
+<script type="module">
+  import {normalize} from "https://esm.sh/nlcst-normalize@3?bundle"
+</script>
+```
+
 ## Use
 
 ```js
@@ -44,7 +79,7 @@ normalize({
 
 ## API
 
-This package exports the following identifiers: `normalize`.
+This package exports the identifier `normalize`.
 There is no default export.
 
 ### `normalize(value[, options])`
@@ -54,25 +89,41 @@ comparison.
 Always normalizes smart apostrophes (`’`) to straight apostrophes (`'`) and
 lowercases alphabetical characters (`[A-Z]`).
 
+##### `options`
+
+Configuration (optional).
+
 ###### `options.allowApostrophes`
 
-`boolean`, default: `false` — Do not strip apostrophes (`'`).
+Do not strip apostrophes (`'`) (`boolean`, default: `false`).
 
 ###### `options.allowDashes`
 
-`boolean`, default: `false` — Do not strip hyphens (`-`).
+Do not strip hyphens (`-`) (`boolean`, default: `false`).
+
+## Types
+
+This package is fully typed with [TypeScript][].
+It exports the additional types `Options`.
+
+## Compatibility
+
+Projects maintained by the unified collective are compatible with all maintained
+versions of Node.js.
+As of now, that is Node.js 12.20+, 14.14+, 16.0+, and 18.0+.
+Our projects sometimes work with older versions, but this is not guaranteed.
 
 ## Related
 
 *   [`nlcst-is-literal`](https://github.com/syntax-tree/nlcst-is-literal)
-    — Check whether a node is meant literally
+    — check whether a node is meant literally
 *   [`nlcst-search`](https://github.com/syntax-tree/nlcst-search)
-    — Search for patterns
+    — search for patterns
 
 ## Contribute
 
-See [`contributing.md` in `syntax-tree/.github`][contributing] for ways to get
-started.
+See [`contributing.md`][contributing] in [`syntax-tree/.github`][health] for
+ways to get started.
 See [`support.md`][support] for ways to get help.
 
 This project has a [code of conduct][coc].
@@ -113,15 +164,23 @@ abide by its terms.
 
 [npm]: https://docs.npmjs.com/cli/install
 
+[esm]: https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c
+
+[esmsh]: https://esm.sh
+
+[typescript]: https://www.typescriptlang.org
+
 [license]: license
 
 [author]: https://wooorm.com
 
-[contributing]: https://github.com/syntax-tree/.github/blob/HEAD/contributing.md
+[health]: https://github.com/syntax-tree/.github
+
+[contributing]: https://github.com/syntax-tree/.github/blob/main/contributing.md
 
-[support]: https://github.com/syntax-tree/.github/blob/HEAD/support.md
+[support]: https://github.com/syntax-tree/.github/blob/main/support.md
 
-[coc]: https://github.com/syntax-tree/.github/blob/HEAD/code-of-conduct.md
+[coc]: https://github.com/syntax-tree/.github/blob/main/code-of-conduct.md
 
 [nlcst]: https://github.com/syntax-tree/nlcst