feat: explore (#85)

src/components/BottomNavigationBar/ExploreButton.tsx

@@ -0,0 +1,13 @@
+import { usePrimaryPage } from '@/PageManager'
+import { Compass } from 'lucide-react'
+import BottomNavigationBarItem from './BottomNavigationBarItem'
+
+export default function ExploreButton() {
+  const { navigate, current } = usePrimaryPage()
+
+  return (
+    <BottomNavigationBarItem active={current === 'explore'} onClick={() => navigate('explore')}>
+      <Compass />
+    </BottomNavigationBarItem>
+  )
+}