refactor: remove electron-related code

src/components/BackButton/index.tsx

@@ -0,0 +1,25 @@
+import { Button } from '@/components/ui/button'
+import { useSecondaryPage } from '@/PageManager'
+import { ChevronLeft } from 'lucide-react'
+import { useTranslation } from 'react-i18next'
+
+export default function BackButton({
+  hide = false,
+  variant = 'titlebar'
+}: {
+  hide?: boolean
+  variant?: 'titlebar' | 'small-screen-titlebar'
+}) {
+  const { t } = useTranslation()
+  const { pop } = useSecondaryPage()
+
+  return (
+    <>
+      {!hide && (
+        <Button variant={variant} size={variant} title={t('back')} onClick={() => pop()}>
+          <ChevronLeft />
+        </Button>
+      )}
+    </>
+  )
+}