Clarify PayPal donation link status

Updated PayPal donation link to indicate it is currently dysfunctional.

Author: andreasdr

README.md

@@ -114,7 +114,7 @@ Also note the focus on easy integration into other products and easy customizabi
 - The Mindty Kollektiv [Discord Server](https://discord.gg/Na4ACaFD)
 
 # 4. Donation
-- I have to pay my bills, beer and stuff, so if you have any use for this open source project, like educational, productive or fun, ..., consider a donation here [PayPal](https://www.paypal.me/andreasdrewke), here [GitHub Sponsors](https://github.com/sponsors/andreasdr) or via [Amazon Wishlist](https://www.amazon.de/hz/wishlist/ls/250IBUL4JSZVR?ref_=wl_share)
+- I have to pay my bills, beer and stuff, so if you have any use for this open source project, like educational, productive or fun, ..., consider a donation here [PayPal - currently disfunctional - was https://www.paypal.me/andreasdrewke], here [GitHub Sponsors](https://github.com/sponsors/andreasdr) or via [Amazon Wishlist](https://www.amazon.de/hz/wishlist/ls/250IBUL4JSZVR?ref_=wl_share)
 
 # 5. Bounties
 - We will most likely accept MinitScript (related) tasks as kind of bounties for a customized MinitScript or default MinitScript