merge: Instance admin UX improvements (!1059)

View MR for information: https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/1059

Approved-by: dakkar <dakkar@thenautilus.net>
Approved-by: Marie <github@yuugi.dev>

packages/backend/src/models/json-schema/federation-instance.ts

@@ -135,5 +135,9 @@ export const packedFederationInstanceSchema = {
 			type: 'string',
 			optional: true, nullable: true,
 		},
+		isBubbled: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
 	},
 } as const;