chore: add contribution links to app description

Author: dessant

assets/app-description.md

@@ -25,3 +25,7 @@ lockComment: >
 # Limit to only `issues` or `pulls`
 # only: issues
 ```
+
+## Supporting the Project
+
+Lock Threads is an MIT-licensed open source project. Its ongoing development is made possible thanks to the support of awesome backers. If you'd like to join them, please consider contributing with [Patreon](https://goo.gl/qRhKSW), [PayPal](https://goo.gl/5FnBaw) or [Bitcoin](https://goo.gl/uJUAaU).