EM3390TF weather station: add branding to name

- change case in some names to follow HA convention consistently

PR #2557

custom_components/tuya_local/devices/EM3390TF_weather_station.yaml

@@ -1,7 +1,7 @@
-name: Weather Station
+name: Weather station
 products:
   - id: cvurn5ynloebrpwy
-    name: EM3390TF
+    name: Viflykoo EM3390TF
 primary_entity:
   entity: sensor
   name: Indoor temperature
@@ -27,7 +27,7 @@ secondary_entities:
         mapping:
           - scale: 10
   - entity: sensor
-    name: Outdoor Temperature
+    name: Outdoor temperature
     class: temperature
     dps:
       - id: 103
@@ -38,7 +38,7 @@ secondary_entities:
           - scale: 10
         unit: C
   - entity: sensor
-    name: Outdoor Humidity
+    name: Outdoor humidity
     class: humidity
     dps:
       - id: 104