add picture to avatar, lint fixes

Signed-off-by: Lykke Axlin <lykkeaxlin@hotmail.com>

Co-authored-by: klaraab <klarabroman@live.se>

plugins/bazaar-backend/migrations/20210923133506_init.js

@@ -51,6 +51,7 @@ exports.up = async function up(knex) {
       .defaultTo(knex.fn.now())
       .notNullable()
       .comment('The timestamp when this member joined');
+    table.text('picture').comment('Link to profile picture');
   });
 };