Add support for PiKVM Switch and related features

This commit introduces several new components and improvements:
- Added Switch module with firmware update and configuration support
- Implemented new media streaming capabilities
- Updated various UI elements and CSS styles
- Enhanced keyboard and mouse event handling
- Added new validators and configuration options
- Updated Python version support to 3.13
- Improved error handling and logging

kvmd/tools.py

@@ -20,6 +20,7 @@
 # ========================================================================== #
 
 
+import asyncio
 import operator
 import functools
 import multiprocessing.queues
@@ -64,11 +65,11 @@ def swapped_kvs(dct: dict[_DictKeyT, _DictValueT]) -> dict[_DictValueT, _DictKey
 
 
 # =====
-def clear_queue(q: multiprocessing.queues.Queue) -> None:  # pylint: disable=invalid-name
+def clear_queue(q: (multiprocessing.queues.Queue | asyncio.Queue)) -> None:  # pylint: disable=invalid-name
     for _ in range(q.qsize()):
         try:
             q.get_nowait()
-        except queue.Empty:
+        except (queue.Empty, asyncio.QueueEmpty):
             break