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

web/kvm/window-stream.pug

@@ -16,6 +16,7 @@ div(id="stream-window" class="window window-resizable")
 	div(id="stream-box" class="stream-box-offline")
 		img(id="stream-image" src=`${png_dir}/blank-stream.png`)
 		video(id="stream-video" class="hidden" disablePictureInPicture="true" autoplay playsinline muted)
+		canvas(id="stream-canvas" class="hidden")
 		div(id="stream-fullscreen-active")
 
 	div(id="stream-mouse-buttons" class="keypad" align="center")