Does not need to be done again.
npm install -g @angular/cli
cd angular_client
ng new --minimal --directory=. --routing --style=scss angular_client
ng add angular-auth-oidc-client \
--flow-type "OIDC Code Flow PKCE using refresh tokens" \
--authority-url-or-tenant-id "http://localhost:8080/realms/myrealm/protocol/openid-connect/token"
Start using ng serve --open
.