Added how to guide for railwayapp

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+.idea

content/docs/tutorials/railwayapp.md

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+---
+title: RailwayApp
+---
+
+*This tutorial provides step-by-step instructions on how to rotate a RailwayApp API Tokens.*
+
+---
+
+## Generate a new RailwayApp API Token
+
+### Step 1 - Navigate to the RailwayApp page
+After logging into RailwayApp(https://railway.app/dashboard), you can navigate to the page https://railway.app/account/tokens.
+Alternatively, You can also click on the account profile on top right corner, then click on the Account Settings.
+![](/images/railwayapp/1.png)
+Once you are in settings page click on Tokens in the left tab menu
+![](/images/railwayapp/2.png)
+
+
+### Step 2 - Generate a new API Token
+Once you are in tokens page(https://railway.app/account/tokens), simply add the token name in the text box and click on Create.
+Once created, Copy the token and keep it safe somewhere.
+
+---
+
+## Delete the Leaked RailwayApp API Tokens
+
+### Step 1 - Navigate to the tokens page (https://railway.app/account/tokens) page
+Any token you want to delete click on the delete icon in front of it.
+Once you click, you will see a pop up for confirmation
+![](/images/railwayapp/3.png)
+Click Delete and it will permanently delete the token.
+---
+
+## Best Practices
+
+[RailwayApp Best Practices](https://docs.railway.app/overview/best-practices)
+
+---
+
+## Resources
+- [RailwayApp Public API Authentication Documentation](https://docs.railway.app/reference/public-api#authentication)