readme: added support me

Author: dg

readme.md

@@ -21,7 +21,15 @@ The [Nette Database Core](https://doc.nette.org/database-core) is a wrapper arou
 
 The [Nette Database Explorer](https://doc.nette.org/database-explorer) layer helps you to fetch database data more easily and in a more optimized way.
 
-If you like Nette, **[please make a donation now](https://nette.org/donate)**. Thank you!
+
+[Support Me](https://github.com/sponsors/dg)
+--------------------------------------------
+
+Do you like Nette Database? Are you looking forward to the new features?
+
+[![Buy me a coffee](https://files.nette.org/icons/donation-3.svg)](https://github.com/sponsors/dg)
+
+Thank you!
 
 
 Installation