Add auth module (keycloak integration)

src/app/app.module.ts

src/app/auth/auth.module.ts

src/app/auth/init.keycloak.ts

src/app/auth/store/auth.action.ts

src/app/auth/store/auth.effects.ts

src/app/auth/store/auth.reducer.ts

src/app/auth/store/auth.selector.ts

src/app/core/components/nav.component.html

src/app/core/components/nav.component.ts

src/app/core/containers/app.component.html

src/app/core/containers/app.component.ts

src/app/login/components/account-benefits.component.html

src/app/login/components/account-benefits.component.spec.ts

src/app/login/components/account-benefits.component.ts

src/app/login/components/form-forgot-password.component.html

...p/login/components/form-forgot-password.component.spec.ts

src/app/login/components/form-forgot-password.component.ts

src/app/login/components/form-login.component.html

src/app/login/components/form-login.component.spec.ts

src/app/login/components/form-login.component.ts