doc(readme): mk installation section corepack-friendly

Signed-off-by: Derek Lewis <[email protected]>

Author: DerekNonGeneric

README.md

@@ -94,7 +94,13 @@ Thanks!
 
 <br />
 
-### Installation
+<details>
+<summary>
+	<!-- markdownlint-disable-next-line line-length -->
+	<h3 id="installation" align="left">Installation <a href="##"><img src="https://raw.githubusercontent.com/nodejs/corepack/main/icon.svg?sanitize=true" alt="Corepack logo" title="Corepack friendly" align="right" height="24" width="24" /></a></h3>
+</summary>
+
+<br />
 
 `@openinf/util-md-table` runs on
 [supported versions of Node.js](#platform--node-js-lts) and is available via
@@ -112,9 +118,8 @@ npm i @openinf/util-md-table
 
 **Using the pnpm CLI**
 
-<sup>See the
-[official documentation for this command](https://pnpm.io/cli/add) for more
-information.</sup>
+<sup>See the [official documentation for this command](https://pnpm.io/cli/add)
+for more information.</sup>
 
 ```shell
 pnpm add @openinf/util-md-table
@@ -130,7 +135,9 @@ for more information.</sup>
 yarn add @openinf/util-md-table
 ```
 
-<br /><br />
+<br />
+
+</details>
 
 ### Usage