feat: introduce authentication page (#1241)

* feat: introduce authentication page

* feat: update page width

* fix(saml): cover non-existing role mapping on onboarding

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Co-authored-by: Ali BARIN <ali.barin53@gmail.com>

packages/web/src/config/urls.ts

@@ -98,6 +98,7 @@ export const ROLE = (roleId: string) => `${ROLES}/${roleId}`;
 export const ROLE_PATTERN = `${ROLES}/:roleId`;
 export const CREATE_ROLE = `${ROLES}/create`;
 export const USER_INTERFACE = `${ADMIN_SETTINGS}/user-interface`;
+export const AUTHENTICATION = `${ADMIN_SETTINGS}/authentication`;
 
 export const DASHBOARD = FLOWS;