Apply and Upgrade Eslint (#288)

* Upgrade ESLINT and fix issues

* feat: add frontend linting job to GitHub Actions workflow

* Move UI linting to separate file

* More linting fixes

* Remove pull_request trigger from UI linting workflow

* Update UI linting workflow

* Rename frontend-lint workflow to ui-lint for clarity

ui/src/routes/devices.$id.other-session.tsx

@@ -1,4 +1,5 @@
 import { useNavigate, useOutletContext } from "react-router-dom";
+
 import { GridCard } from "@/components/Card";
 import { Button } from "@components/Button";
 import LogoBlue from "@/assets/logo-blue.svg";