Fix Gitter URL

Author: ehmicky

README.md

@@ -1,4 +1,4 @@
-[![downloads](https://img.shields.io/npm/dt/test-openapi.svg?logo=npm)](https://www.npmjs.com/package/test-openapi) [![last commit](https://img.shields.io/github/last-commit/Cardero-X/test-openapi.svg?logo=github&logoColor=white)](https://github.com/Cardero-X/test-openapi/graphs/contributors) [![license](https://img.shields.io/badge/license-MIT-4cc61e.svg?logo=github&logoColor=white)](https://opensource.org/licenses/MIT) [![npm](https://img.shields.io/npm/v/test-openapi.svg?logo=npm)](https://www.npmjs.com/package/test-openapi) [![node](https://img.shields.io/node/v/test-openapi.svg?logo=node.js)](#) [![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg?logo=javascript)](https://standardjs.com) [![eslint-config-standard-prettier-fp](https://img.shields.io/badge/eslint-config--standard--prettier--fp-4cc61e.svg?logo=eslint&logoColor=white)](https://github.com/ehmicky/eslint-config-standard-prettier-fp) [![Gitter](https://img.shields.io/gitter/room/ehmicky-code/test-openapi.svg?logo=gitter)](https://gitter.im/ehmicky-code/test-openapi)
+[![downloads](https://img.shields.io/npm/dt/test-openapi.svg?logo=npm)](https://www.npmjs.com/package/test-openapi) [![last commit](https://img.shields.io/github/last-commit/Cardero-X/test-openapi.svg?logo=github&logoColor=white)](https://github.com/Cardero-X/test-openapi/graphs/contributors) [![license](https://img.shields.io/badge/license-MIT-4cc61e.svg?logo=github&logoColor=white)](https://opensource.org/licenses/MIT) [![npm](https://img.shields.io/npm/v/test-openapi.svg?logo=npm)](https://www.npmjs.com/package/test-openapi) [![node](https://img.shields.io/node/v/test-openapi.svg?logo=node.js)](#) [![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg?logo=javascript)](https://standardjs.com) [![eslint-config-standard-prettier-fp](https://img.shields.io/badge/eslint-config--standard--prettier--fp-4cc61e.svg?logo=eslint&logoColor=white)](https://github.com/ehmicky/eslint-config-standard-prettier-fp) [![Gitter](https://img.shields.io/gitter/room/ehmicky/test-openapi.svg?logo=gitter)](https://gitter.im/ehmicky/test-openapi)
 
 Automatic API integration testing.