feat(rtc): add schema for asset

deps/db/src/logseq/db/frontend/schema.cljs

@@ -124,7 +124,9 @@
    (dissoc schema
            :block/properties-text-values :block/pre-block? :recent/pages :file/handle
            :block/properties-order)
-   {:file/last-modified-at {}}))
+   {:file/last-modified-at {}}
+   {:asset/uuid {:db/unique :db.unique/identity}
+    :asset/meta {}}))
 
 (def retract-attributes
   #{