add notes where smar_meter is mentioned

* smart_meter = true is not needed for hybrid models even a smart_meter is installed (smartmeter is always installed with hybrid ones)
*  add some notes to usefull registers for hybrid models

README.md

@@ -149,7 +149,7 @@ Set the following in config.yaml under inverters section.
 * Level: 2 - This should be everything your inverter supports
 * Level: 3 - This will try every register, you will get lots of 0/65535 responses for registers not supported.
 
-* smart_meter: True - Set to true if you have a smart reader installed, this will return power usage at the meter box, without it you can not calculate house power usage.
+* smart_meter: True - (_Only needed for SG* Models_) Set to true if you have a smart meter installed, this will return power usage at the meter box, without it you can not calculate house power usage. Hybrid inverters will provide this by default (load_power_hybrid)
 
 ### Useful Registers:
 This is just a brief list of registers I have found useful
@@ -159,19 +159,23 @@ This is just a brief list of registers I have found useful
 **total_running_time** - Total Hours inverter has been powered on since install  
 **internal_temperature** - Internal temperature of the Inverter  
 **total_active_power** - Current power being generated by the inverter in Watts  
-**meter_power** - Power usage at the meter box, needs a smart meter installed. +ve means consuming from the grid, -ve means exporting to the grid  
+**meter_power** - (_SG* Models_)Power usage at the meter box, needs a smart meter installed. +ve means consuming from the grid, -ve means exporting to the grid  
 **load_power** - Power being consumed in total  
-**export_to_grid** - How much being currently exported to the grid. This is calculated from meter_power if -ve value, returned as a positive value  
+**load_power_hybrid** - (_SH* Models only_) Power being consumed in total  
-**import_from_grid** - How much being currently imported from grid. This is calculated from meter_power if +ve value  
+**export_to_grid** - How much being currently exported to the grid. 
+For SG* Models this is calculated from meter_power if -ve value, returned as a positive value. (_For Hybrid models export_power_hybrid is used_)  
+**import_from_grid** - How much being currently imported from grid. This is calculated from meter_power if +ve value (_for hybrid models export_power_hybrid [will be negative when importing from grid] is used)   
 **timestamp** - Last time data was collected, based on Inverters clock by default  
 
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 ## Home Assistant setup
 
-In the SunGather config.yaml you need to set the smart_meter if you have one;
+In the SunGather config.yaml you need to set the smart_meter if you have one  
+_For Hybrid Models smart_meter doesn't need to get enabled_
 
 ```
+# Only for SG* Models
 smart_meter: True
 ```
 
@@ -221,6 +225,8 @@ Solar Panels > Solar Production -> Solar Production (Sungather)
 ## Tested
 * SG7.0RT with WiNet-S Dongle
 * SG10RT with WiNet-S Dongle and Ethernet (Credit: @rark-ha)
+* SH6.0RT with WiNet-S Dongle
+* SH10RT with WiNet-S Dongle
 
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