Added a smart meter (DZG) (tasmota#1137)

jamct · web-flow · commit 1bf4f8d97381 · 2022-12-30T14:25:01.000+01:00
Tested with DZG DVS7420.2 and works as intended.
diff --git a/docs/Smart-Meter-Interface.md b/docs/Smart-Meter-Interface.md
@@ -526,7 +526,7 @@ A & B connected to the meter pinout.
     #    
     ```
 
-### DZG DWS7410.2V.G2 (SML)
+### DZG DWS7410.2V.G2 (SML) and DZG DVS7420.2 (SML)
 
 A bidirectional metering device from DZG Metering GmbH.
 

Original file line number	Diff line number	Diff line change
`@@ -526,7 +526,7 @@ A & B connected to the meter pinout.`
`526`	`526`	`#`
`527`	`527`	```
`528`	`528`
`529`		`-### DZG DWS7410.2V.G2 (SML)`
	`529`	`+### DZG DWS7410.2V.G2 (SML) and DZG DVS7420.2 (SML)`
`530`	`530`
`531`	`531`	`A bidirectional metering device from DZG Metering GmbH.`
`532`	`532`