add country group manager

[navins94]

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[sentry-io]

🔍 Existing Issues For Review

Your pull request is modifying functions with the following pre-existing issues:

📄 File: frontend/src/pages/_app.jsx

Function	Unhandled Issue
MyApp	ReferenceError: setSession is not defined MyApp(s... Event Count: 1 Affected Users: 0

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