Merge pull request #5088 from segmentio/feat/public-api-token-creation-permissions

Add public api token workspace permission detail

Author: rchinn1

src/api/public-api/index.md

@@ -55,3 +55,5 @@ This feature is automatically enabled for all workspaces on Team or Business tie
 #### What should I do when I see a CORS error? 
 If you see a CORS error, this means you're attempting to make a request to the Public API on the front-end. The Public API is used for server-side only. To get rid of the error, move all Public API requests to a server.
 
+#### What User Role / Workspace permissions are required to generate Public API tokens?
+Only [users that have a `Workspace Owner` role](https://segment.com/docs/segment-app/iam/roles/#global-roles) can create Public API Tokens.