content: add Lo-Fi Chill Beat boombox track (#33)

Co-authored-by: Paperclip <noreply@paperclip.ing>

Author: tallnato

content/_boombox/lo-fi-chill-beat.md

@@ -0,0 +1,14 @@
+---
+title: Lo-Fi Chill Beat
+author: Volts Community
+description: A relaxed lo-fi loop with mellow vibes, perfect for cruising. CC0 licensed placeholder.
+audio: lo-fi-chill-beat.mp3
+files:
+  - name: lo-fi-chill-beat.mp3
+    label: Audio Track
+tags:
+  - ambient
+  - beats
+---
+
+A smooth lo-fi beat to set a relaxed mood. Ideal for late-night drives and chill sessions with your Boombox.