merge: lint our MRs (!506)

View MR for information: https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/506

Approved-by: Tess K <me@thvxl.se>
Approved-by: Marie <marie@kaifa.ch>

.gitlab-ci.yml

@@ -19,6 +19,8 @@ testCommit:
     - pnpm install --frozen-lockfile
     - pnpm run build
     - pnpm run migrate
+    - pnpm run --filter=backend lint
+    - pnpm run --filter=frontend eslint
   cache:
     key: test
     policy: pull-push