feat(api): add keyshare initiation for workspaces

packages/api/src/Domain/Response/Workspace/WorkspaceKeyshareInitiatingResponse.ts

@@ -0,0 +1,9 @@
+import { Either } from '@standardnotes/common'
+
+import { HttpErrorResponseBody } from '../../Http/HttpErrorResponseBody'
+import { HttpResponse } from '../../Http/HttpResponse'
+import { WorkspaceKeyshareInitiatingResponseBody } from './WorkspaceKeyshareInitiatingResponseBody'
+
+export interface WorkspaceKeyshareInitiatingResponse extends HttpResponse {
+  data: Either<WorkspaceKeyshareInitiatingResponseBody, HttpErrorResponseBody>
+}

packages/api/src/Domain/Response/Workspace/WorkspaceKeyshareInitiatingResponseBody.ts

@@ -0,0 +1,3 @@
+export type WorkspaceKeyshareInitiatingResponseBody = {
+  success: boolean
+}