Navigate to the plugin configuration page, click the "Add New Provider" button (located either in the middle or top-right corner), select GitHub as the application, and copy the callback URL from the plugin and keep it handy, as you'll need it to configure GitHub as the OAuth provider.
Sign up on miniOrange. After that, go to miniOrange Admin console and login with your miniOrange credentials.
From the left menu, go to Apps.
In the right upper corner, select Add Application.
Navigate to OAuth/OIDC card.
Select the Application of your choice.
Now enter the following information as shown below:
Client Name
App name you want to provide.
Redirect-URL
Enter Callback URL from the plugin
For adding the policy for OAuth App, select Group Name as Default and enter the Policy Name of your choice, and select Login Method as Password.
Click on save button. Your app has been successfully created.
Your application is configured. Now, go to Apps > Manage Apps > Your app > Select > Edit.
You can see all the information for the app like Client ID and Client Secret .Also OAuth endpoints are mentioned, you will require Authorize Endpoint and Access Token Endpoint in further step.