Maintenance update (#7)

- Use modern tooling uv and bun
- Various changes to work with latest PyAV and PIL that have changed their API
- Improved image, video and document previews (uses AVIF, renders AVIF/HEIC/videos in HDR, faster processing)
- Fix a server hang in some cases where a folder was moved or renamed
- Log exceptions instead of only returning 500 response to client
- Log timing of preview generation functions
- Default to quality 50 in previews (previously 40)

cista/protocol.py

@@ -127,8 +127,7 @@ class FileEntry(msgspec.Struct, array_like=True, frozen=True):
         return f"{self.name} ({self.size}, {self.mtime})"
 
 
-class Update(msgspec.Struct, array_like=True):
-    ...
+class Update(msgspec.Struct, array_like=True): ...
 
 
 class UpdKeep(Update, tag="k"):