SSO Implementaion with Identity Server

Reference

• https://identityserver4.readthedocs.io/en/latest/
• https://feras.blog/how-to-use-asp-net-identity-and-identityserver4-in-your-solution/
• https://fullstackmark.com/post/21/user-authentication-and-identity-with-angular-aspnet-core-and-identityserver
• https://github.com/IdentityServer/IdentityServer4