MTCaptcha Backend integration - Back end Integratgion with NodeJS

MTCaptcha requires to validate at server side, once Captcha solved verification token require to send at server side and MTCaptcha API can be use to verify token In this example, validation of token is done with NodeJS.

• Add MTCaptcha private key to config/config.json
• Install MTCaptcha NodeJS modules from https://github.com/mtcaptcha-public/mtcaptcha-nodejs-sdk