Add internal address preference

Make Water Meter discoverable by Energy Panel

General Integration Improvements #2 (#4)

Checking existence of the measurement types in error array is not required.

General integration improvements. (#3)

Make HACS compliant

Wrong unit for usage. Correct to Litres

Correct water meter duration unit of measure to minutes

Correct Device class for water meter usage in energy dashboard

Correct syntax for  argument of type 'NoneType' is not iterable

Remove Deprecated code

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Co-authored-by: Kev Willers <kev@thewillers.com>

Change Watergate Data Coordinator so that manual update doesn't resta…

…rt the refresh interval

Introduce version to manifest.json

Initial commit for Watergate integration