Updated README.md
Updated link title in README from 'Guide to QuarkusIO' to 'Guide to Quarkus'
## Relevant Articles:
-- [Guide to QuarkusIO](https://www.baeldung.com/quarkus-io)
+- [Guide to Quarkus](https://www.baeldung.com/quarkus-io)
- [Testing Quarkus Applications](https://www.baeldung.com/java-quarkus-testing)
