Quick wins: Lower default volume to 25% and add file upload support

- Scale volume by 0.25x to prevent earrape (user still sees 0-200%)
  - Add support for direct audio file URL links (.mp3, .mp4, etc.)
  - New =playfile command for Discord file uploads
  - Supports MP3, MP4, WAV, OGG, FLAC, M4A, WEBM, AAC, OPUS formats

cogs/music/translate.py

@@ -27,7 +27,7 @@ async def main(url, sp):
     #url = url.lower()
 
     # Check if link or search
-    if url.startswith("https://") is False:
+    if not url.startswith("https://") and not url.startswith("http://"):
         return await search_song(url)
 
     #TODO add better regex or something
@@ -44,7 +44,14 @@ async def main(url, sp):
     youtube_song = 'watch?v=' in url or 'youtu.be/' in url
     youtube_playlist = 'playlist?list=' in url
 
-    if soundcloud_song or youtube_song:
+    # Check for direct audio/video file URLs
+    # Supported formats: mp3, mp4, wav, ogg, flac, m4a, webm, aac, opus
+    audio_extensions = ('.mp3', '.mp4', '.wav', '.ogg', '.flac', '.m4a', '.webm', '.aac', '.opus')
+    is_direct_file = any(url.lower().endswith(ext) for ext in audio_extensions)
+    # Also check for URLs with query parameters (e.g., file.mp3?download=true)
+    is_direct_file = is_direct_file or any(ext in url.lower() for ext in audio_extensions)
+
+    if soundcloud_song or youtube_song or is_direct_file:
         return await song_download(url)
 
     if youtube_playlist: