feat: merge upstream master - version 4.94

Merge upstream PiKVM master branch updates:

- Bump version from 4.93 to 4.94
- HID: improved jiggler pattern for better compatibility
- Streamer: major refactoring for improved performance and maintainability
- Prometheus: tidying GPIO channel name formatting
- Web: added __gpio-label class for custom styling
- HID: customizable /api/hid/print delay configuration
- ATX: independent power/reset regions for better control
- OLED: added --fill option for display testing
- Web: improved keyboard handling in modal dialogs
- Web: enhanced login error messages
- Switch: added heartbeat functionality
- Web: mouse touch code simplification and refactoring
- Configs: use systemd-networkd-wait-online --any by default
- PKGBUILD: use cp -r to install systemd units properly
- Various bug fixes and performance improvements

web/start.pug

@@ -8,7 +8,7 @@ block body
 	div(class="start-box")
 		div(class="start")
 			if index_link
-				a(style="display:inline-block; margin-top:4px; color:#5c90bc; text-decoration:none" href="/" i18n="index")
+				a(style="display:inline-block; margin-top:4px; color:#5c90bc; text-decoration:none" href=root_prefix i18n="index")
 					|   ←   [ One-KVM Index ]
 				hr
 			block start