Update Railway deployment link in README (#640)

Author: lakhansamani

README.md

@@ -106,7 +106,7 @@ Deploy production ready Authorizer instance using one click deployment options a
 
 | **Infra provider** |                                                                                            **One-click link**                                                                                            |               **Additional information**               |
 | :----------------: | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------: |
-|    Railway.app     |                    [![Deploy on Railway](https://railway.com/button.svg)](https://railway.com/deploy/nwXp1C?referralCode=FEF4uT&utm_medium=integration&utm_source=template&utm_campaign=generic)                     | [docs](https://docs.authorizer.dev/deployment/railway) |
+|    Railway.app     |                   [![Deploy on Railway](https://railway.com/button.svg)](https://railway.com/deploy/authorizer-1?referralCode=FEF4uT&utm_medium=integration&utm_source=template&utm_campaign=generic)                     | [docs](https://docs.authorizer.dev/deployment/railway) |
 |       Heroku       | <a href="https://heroku.com/deploy?template=https://github.com/authorizerdev/authorizer-heroku"><img src="https://www.herokucdn.com/deploy/button.svg" alt="Deploy to Heroku" style="height: 44px;"></a> | [docs](https://docs.authorizer.dev/deployment/heroku)  |
 |       Render       |                     [![Deploy to Render](https://render.com/images/deploy-to-render-button.svg)](https://render.com/deploy?repo=https://github.com/authorizerdev/authorizer-render)                      | [docs](https://docs.authorizer.dev/deployment/render)  |
 |       Koyeb       | <a target="_blank" href="https://app.koyeb.com/deploy?name=authorizer&type=docker&image=quay.io/authorizer/authorizer&env[PORT]=8000&env[DATABASE_TYPE]=postgres&env[DATABASE_URL]=CHANGE_ME&ports=8000;http;/"><img alt="Deploy to Koyeb" src="https://www.koyeb.com/static/images/deploy/button.svg" /></a> | [docs](https://docs.authorizer.dev/deployment/koyeb)  |