Release 1.19.0

add layout loaders for Layout 11 and Hero Layout 5 to support new design variants ([ebfcca4](https://github.com/TheFlowOps-Eng/fo-class-experience/commit/ebfcca4fbce8d3f1db7f80c5f37788b2442251be))

add textPrimaryColor to theme and update components to use it ([3f6ce30](https://github.com/TheFlowOps-Eng/fo-class-experience/commit/3f6ce30308ba398d468bc27a873ba32bfa4e8ec3))

implement auto-setup flow for onboarding, enhancing domain setup and welcome pages to handle autocreate parameter and integrate MarketingAutocreateRunner in retreat templates ([b355a37](https://github.com/TheFlowOps-Eng/fo-class-experience/commit/b355a3715c2e51bac853fc6b604a5af15b6e850a))

implement cookie-based authentication token retrieval in AuthInitializer and integrate MarketingAutocreateRunner in retreat templates and my retreats pages ([8bc454f](https://github.com/TheFlowOps-Eng/fo-class-experience/commit/8bc454f9cc8163eb5dd78fd96502bba3738904da))

replace AuthInitializer with AuthBootstrapGate for improved authentication flow and add utility for exchanging auth code from URL ([1afb1c3](https://github.com/TheFlowOps-Eng/fo-class-experience/commit/1afb1c30ac893b1cf17948e9f9c5228d14041eb3))

add missing line break in DomainGuard navigation logic for improved readability ([4afa87a](https://github.com/TheFlowOps-Eng/fo-class-experience/commit/4afa87a2cf5505e40f3d7ef07ba01b5be1f72c47))

add missing null checks and clean up sessionStorage handling in readPendingOnboardingAutocreate function ([a20d99e](https://github.com/TheFlowOps-Eng/fo-class-experience/commit/a20d99e34d79f68813731fb03ac182bc92cdd62e))

make textPrimaryColor optional in IHeroData interface ([74bddeb](https://github.com/TheFlowOps-Eng/fo-class-experience/commit/74bddebc260c256fc9f9ca14c15c9e9a926f253f))

resolve text overflow issue ([2993d34](https://github.com/TheFlowOps-Eng/fo-class-experience/commit/2993d340c970a77c9deaafad5d1dd3003f7191c2))