Add support for Hughes Power Watchdog Surge Protector

**Describe the problem you have/What new integration you would like**

Add integration that provides sensors for voltage, Current, and Power usage (Line 1 and Line 2).
Add support for error reporting when the surge protector reports power issue.
Add support for cumulative power usage reporting.

**Please describe your use case for this integration and alternatives you've tried:**

Tried it with lambdas but because it uses vendor defined characteristic in a vendor defined message format split across multiple transmissions it seems overly difficult to do without custom code integration.

**Additional context**

Product: https://hughesautoformers.com/product/pwd50/

Numerous emails have been sent to Hughes and they were unable to provide documentation or support for integrating the device. There is an existing hughes mobile app but those details were not shared.

No repository files, tests, or entry points are named. Start by reviewing the Hughes PWD50 product information and determining the vendor-defined message format used by the existing mobile app; documentation or protocol details are needed before implementation can be scoped. Done means the integration reports line voltage, current, power, cumulative usage, and surge-protector errors.

Written by the indexing model from the issue text.