Add initial home page to control/view relay statuses and view sensor …

[k3ldar]

…data

[Copilot]

Pull request overview

Adds an initial /index HTML home page for the SmartFuseBox device to view relay/sensor status and toggle relays via existing /api/* endpoints.

Changes:

• Introduces WebIndexNetworkHandler to stream an HTML control/status page and wires it into the app/project.
• Extends INetworkCommandHandler + WifiServer to optionally allow handlers to stream full HTML responses.
• Cleans up/debug logging and adjusts relay command/network handler error handling.

Reviewed changes

Copilot reviewed 11 out of 12 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
SmartFuseBox/WifiServer.cpp	Adds generateHtml() dispatch support and minor logging tweaks.
SmartFuseBox/INetworkCommandHandler.h	Adds optional generateHtml(IWifiClient&) API for HTML streaming handlers.
SmartFuseBox/WebIndexNetworkHandler.h	New HTML page handler for relay toggles + sensor tiles using /api/index + /api/relay/*.
SmartFuseBox/SmartFuseBoxApp.h	Adds _webIndexNetworkHandler member and include.
SmartFuseBox/SmartFuseBoxApp.cpp	Instantiates/registers WebIndexNetworkHandler in the network handler list.
SmartFuseBox/RelayNetworkHandler.cpp	Simplifies error handling for relay set-state; introduces an unused variable.
SmartFuseBox/RelayCommandHandler.cpp	Improves serial relay command error handling for additional failure cases.
SmartFuseBox/WarningCommandHandler.cpp	Removes a debug message.
SmartFuseBox/PageSystem.cpp	Removes debug noise during refresh.
SmartFuseBox/Dht11SensorHandler.h	Removes per-update debug log.
SmartFuseBox/Local.h	Updates feature size comments.
SmartFuseBox/SmartFuseBox.vcxproj	Adds new header + updates include paths.

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