This is basic example of OIDC Password flow using angular 9,ASP.NET Core 3.1,IdentityServer4 and AdminLTE-3 Template.
For OIDC Please Follow following Link.
https://github.com/manfredsteyer/angular-oauth2-oidc#readme
For AdminLTE-3 Template Please Follow following Link.
https://github.com/ColorlibHQ/AdminLTE