feat: add models package

packages/models/src/Domain/Utilities/Payload/FindPayload.ts

@@ -0,0 +1,10 @@
+import { Uuid } from '@standardnotes/common'
+import { PayloadInterface } from '../../Abstract/Payload/Interfaces/PayloadInterface'
+
+export function FindPayload<P extends PayloadInterface = PayloadInterface>(payloads: P[], uuid: Uuid): P | undefined {
+  return payloads.find((payload) => payload.uuid === uuid)
+}
+
+export function SureFindPayload<P extends PayloadInterface = PayloadInterface>(payloads: P[], uuid: Uuid): P {
+  return FindPayload(payloads, uuid) as P
+}