misc bugfixes

src/inc/lib.mjs

@@ -185,5 +185,15 @@ export default new class {
     };
   
   };
+  async getDefaultAvatar() {
+    return (await db`
+      select column_default as avatar
+      from "information_schema"."columns"
+      where
+        TABLE_SCHEMA='public' and
+        TABLE_NAME='user_options' and
+        COLUMN_NAME = 'avatar'
+    `)[0].avatar;
+  }
 
 };