Use Gradle Wrapper instead of Gradle binary directly

[mccartney]

What's changed?

Adding a new recipe for using gradlew (Gradle Wrapper) instead of calling the Gradle binary directly.

What's your motivation?

• Closes #58

Checklist

• [x] I've added unit tests to cover both positive and negative cases
• [x] I've read and applied the recipe conventions and best practices
• [x] I've used the IntelliJ IDEA auto-formatter on affected files

[knutwannheden]

/cc Gradle expert @shanman190 🤠