Add power database support

Power/Service/Data/Resources/CreateStatus.sql

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+INSERT INTO Status (Timestamp, Generation, Consumption)
+VALUES (@Timestamp, @Generation, @Consumption)

Power/Service/Data/Resources/GetStatusHistoryGrouped.sql

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+SELECT Bucket,
+	   AVG(Generation) AS AverageGeneration,
+	   AVG(Consumption) AS AverageConsumption
+FROM (
+         SELECT CAST(FORMAT(Timestamp, 'yyyy-MM-ddTHH:') +
+                RIGHT('00' + CAST(DATEPART(MINUTE, Timestamp) / @BucketMinutes * @BucketMinutes AS VARCHAR), 2)
+				+ ':00+00:00' AS DATETIMEOFFSET)									  AS Bucket,
+                Generation,
+				Consumption
+         FROM Status
+         WHERE Timestamp BETWEEN @Start AND @End
+     ) AS Data
+GROUP BY Bucket
+ORDER BY Bucket

Power/Service/Data/Resources/Schema.sql

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+IF NOT EXISTS(SELECT 1 FROM sys.tables WHERE name = 'Status')
+	CREATE TABLE Status
+	(
+		Timestamp           datetimeoffset	NOT NULL
+			CONSTRAINT status_pk
+				PRIMARY KEY,
+		Generation          int				NOT NULL,
+		Consumption			int				NOT NULL
+	);