Add sponsor to readme

package.json

@@ -38,7 +38,8 @@
 		"binaries",
 		"npm",
 		"path",
-		"local"
+		"local",
+		"zx"
 	],
 	"dependencies": {
 		"cross-spawn": "^7.0.3",

readme.md

@@ -8,6 +8,37 @@
 
 > Process execution for humans
 
+<br>
+
+---
+
+<div align="center">
+	<p>
+		<p>
+			<sup>
+				<a href="https://github.com/sponsors/sindresorhus">Sindre's open source work is supported by the community</a>
+			</sup>
+		</p>
+		<sup>Special thanks to:</sup>
+		<br>
+		<br>
+		<a href="https://dashcam.io?ref=sindresorhus_execa">
+			<div>
+				<img src="https://sindresorhus.com/assets/thanks/dashcam-logo.png" width="280" alt="Dashcam">
+			</div>
+			<b>Never miss another bug</b>
+			<div>
+				<sup>Capture the steps to reproduce every bug, every time, with Dashcam for desktop.</sup>
+			</div>
+		</a>
+		<br>
+	</p>
+</div>
+
+---
+
+<br>
+
 ## Why
 
 This package improves [`child_process`](https://nodejs.org/api/child_process.html) methods with: