Tidelift tasks

Author: sindresorhus

.github/funding.yml

@@ -1,3 +1,2 @@
 github: sindresorhus
-open_collective: sindresorhus
-custom: https://sindresorhus.com/donate
+tidelift: npm/crypto-random-string

.github/security.md

@@ -0,0 +1,3 @@
+# Security Policy
+
+To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure.

readme.md

@@ -80,6 +80,14 @@ Cannot be set at the same time as the `type` option.
 - [unique-random](https://github.com/sindresorhus/unique-random) - Generate random numbers that are consecutively unique
 
 
-## License
-
-MIT © [Sindre Sorhus](https://sindresorhus.com)
+---
+
+<div align="center">
+	<b>
+		<a href="https://tidelift.com/subscription/pkg/npm-crypto-random-string?utm_source=npm-crypto-random-string&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
+	</b>
+	<br>
+	<sub>
+		Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
+	</sub>
+</div>