feat: Pin to home (#2880)

app/models/Pin.ts

@@ -0,0 +1,18 @@
+import { observable } from "mobx";
+import BaseModel from "./BaseModel";
+import Field from "./decorators/Field";
+
+class Pin extends BaseModel {
+  id: string;
+  collectionId: string;
+  documentId: string;
+
+  @observable
+  @Field
+  index: string;
+
+  createdAt: string;
+  updatedAt: string;
+}
+
+export default Pin;