enhance(backend): configure ratelimit for notification creation apis

packages/backend/src/server/api/endpoints/notifications/create.ts

@@ -14,6 +14,11 @@ export const meta = {
 
 	kind: 'write:notifications',
 
+	limit: {
+		duration: 1000 * 60,
+		max: 10,
+	},
+
 	errors: {
 	},
 } as const;

packages/backend/src/server/api/endpoints/notifications/test-notification.ts

@@ -13,6 +13,11 @@ export const meta = {
 	requireCredential: true,
 
 	kind: 'write:notifications',
+
+	limit: {
+		duration: 1000 * 60,
+		max: 10,
+	},
 } as const;
 
 export const paramDef = {