Permit application-specific data in size policy.

src/policies/size-limit-policy.ts

@@ -21,7 +21,7 @@ interface SizeLimitOptions {
  */
 const sizeLimitPolicy: Policy<SizeLimitOptions> = ({ event: { id, content, kind } }, opts = {}) => {
   const {
-    excludeKinds = [3], // Exclude large events such as contact lists
+    excludeKinds = [3, 30078], // Exclude large events such as contact lists and app data
     maxContentSize = 12 * 1024  // Default size limit is 12KB
   } = opts;