Update HACS-related files

hacs.json

@@ -1,5 +1,5 @@
 {
   "name": "SMA Sunny Webbox",
   "country": "BE",
-  "homeassistant": "2021.12.8"
+  "homeassistant": "2023.3.1"
 }

info.md

@@ -4,14 +4,21 @@
 
 SMA Sunny Webbox integration for Home Assistant
 
-Tested against Sunny WebBox-20 (using a Bluetooth connection with the inverter) running FW 01.05.08.R 
+Tested against:
+- Sunny WebBox-20 running FW 01.05.08.R (using a Bluetooth connection with the inverter)
+- Sunny WebBox-G1 running FW 01.52 (using RS-485 connection with the inverter)
 
 ## Highlights of what it does offer
 
 - Poll Sunny Webbox using rpc [API v1.4](https://github.com/jpcornil-git/HA-sma/blob/main/Sunny-Webbox-remote-procedure-call-User-manual-v1.4.pdf)
-- Create HA sensors for all reported channels and sources, e.g. in my setup:
-   - Webbox summary ('My Plant') - 5 sensors
-   - Inverter - 9 sensors
+- Create HA sensors for all reported channels and sources, e.g.:
+   - WebBox-20
+      - Webbox summary ('My Plant') - 5 sensors
+      - Inverter - 9 sensors
+   - WebBox-G1
+      - Webbox summary ('My Plant') - 5 sensors
+      - Inverter - 18 sensors
+      - Weather - 6 sensors
 - **Config Flow** support (UI configuration) in addition to legacy configuration.yaml.
 
 ## Useful links