Add ETH address in README

Author: running-coder

README.md

@@ -40,4 +40,6 @@ Please consider these points before creating a new pull request
 The `master` branch should be a copy of the latest released `tag` without any additional new code that has not been released
 - Add a descriptive note along with the PR and examples
 - Only submit the changed lines and not the whole file(s)
-- Follow the same coding conversions
+- Follow the same coding conversions
+
+Buy me a coffee with ETH: 0x38084cF7Ba4D84D8d9E5C185c66B4C234D8d4764