add Gherkin to languages and frameworks

radar/languages-and-frameworks/gherkin.md

@@ -0,0 +1,24 @@
+---
+title: "Gherkin"
+ring: adopt
+quadrant: "languages-and-frameworks"
+tags: [all]
+---
+
+Gherkin is a domain-specific language designed for describing software behavior without detailing how that behavior is implemented. It serves as a collaboration tool between technical and non-technical team members.
+
+### Key features:
+
+- **Human-Readable Syntax**
+
+- **Behavior-Driven Development**
+
+- **Structured Format**
+
+- **Tool Agnostic**
+
+### Our use cases:
+
+- [Test automation](https://github.com/pagopa/idpay-functional-testing)
+
+- [Requirement Documentation](https://pagopa.github.io/idpay-functional-testing/)