feat: add snjs package

packages/snjs/lib/Services/Session/ShareToken.ts

@@ -0,0 +1,10 @@
+import { User } from '@standardnotes/responses'
+import { AnyKeyParamsContent } from '@standardnotes/common'
+import { RawSessionPayload } from './Sessions/Types'
+
+export type ShareToken = RawSessionPayload & {
+  masterKey: string
+  keyParams: AnyKeyParamsContent
+  user: User
+  host: string
+}