[AC-1842] Secrets Manager Trial Page (#7475)

* Got trial page working without the form set up

* Set up the form to create SM subscription

* Add free SM trial page and sign up

* Conner's changes

* fixed imports

* Set isFromSecretsManagerTrial

* Fixed OrgKey location

* Add isFromSecretsManager prop to free org create

* Add LTO callout

* Switch LTO to background box

* Defect: AC-2081

* Fixed typo "Secrets Manger" to "Secrets Manager"

* Removed discount price logic for storage and secrets manager prices since they don't apply

---------

Co-authored-by: Conner Turnbull <133619638+cturnbull-bitwarden@users.noreply.github.com>
Co-authored-by: Conner Turnbull <cturnbull@bitwarden.com>

libs/common/src/billing/abstractions/organization-billing.service.ts

@@ -0,0 +1,45 @@
+import { OrganizationResponse } from "../../admin-console/models/response/organization.response";
+import { PaymentMethodType, PlanType } from "../enums";
+
+export type OrganizationInformation = {
+  name: string;
+  billingEmail: string;
+  businessName?: string;
+};
+
+export type PlanInformation = {
+  type: PlanType;
+  passwordManagerSeats?: number;
+  subscribeToSecretsManager?: boolean;
+  isFromSecretsManagerTrial?: boolean;
+  secretsManagerSeats?: number;
+  secretsManagerServiceAccounts?: number;
+  storage?: number;
+};
+
+export type BillingInformation = {
+  postalCode: string;
+  country: string;
+  taxId?: string;
+  addressLine1?: string;
+  addressLine2?: string;
+  city?: string;
+  state?: string;
+};
+
+export type PaymentInformation = {
+  paymentMethod: [string, PaymentMethodType];
+  billing: BillingInformation;
+};
+
+export type SubscriptionInformation = {
+  organization: OrganizationInformation;
+  plan?: PlanInformation;
+  payment?: PaymentInformation;
+};
+
+export abstract class OrganizationBillingServiceAbstraction {
+  purchaseSubscription: (subscription: SubscriptionInformation) => Promise<OrganizationResponse>;
+
+  startFree: (subscription: SubscriptionInformation) => Promise<OrganizationResponse>;
+}