feat(server): doc level permission (#9760)

close CLOUD-89 CLOUD-90 CLOUD-91 CLOUD-92

packages/backend/server/src/models/common/index.ts

@@ -1,3 +1,2 @@
 export * from './feature';
 export * from './page';
-export * from './permission';

packages/backend/server/src/models/common/permission.ts

@@ -1,6 +0,0 @@
-export enum Permission {
-  Read = 0,
-  Write = 1,
-  Admin = 10,
-  Owner = 99,
-}