add Resol VBus support (#3976)

Co-authored-by: Samuel Sieb <samuel@sieb.net>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
fixes https://github.com/esphome/feature-requests/issues/1949

tests/test3.yaml

@@ -287,6 +287,9 @@ uart:
 modbus:
   uart_id: uart1
 
+vbus:
+  uart_id: uart4
+
 ota:
   safe_mode: true
   port: 3286
@@ -799,6 +802,11 @@ sensor:
     id: adc128s102_channel_0
     channel: 0
 
+  - platform: vbus
+    model: deltasol c
+    temperature_1:
+      name: Temperature 1
+
 time:
   - platform: homeassistant
 
@@ -904,6 +912,11 @@ binary_sensor:
       then:
         - pzemac.reset_energy: pzemac1
 
+  - platform: vbus
+    model: deltasol_bs_plus
+    relay1:
+      name: Relay 1 On
+
 globals:
   - id: my_global_string
     type: std::string