Add broker port to ha addon conf

src/config.yaml

@@ -11,6 +11,7 @@ options:
   debug: false
   mqtt:
     broker: null
+    port: 1883
     username: ""
     password: ""
   volvoData:
@@ -25,6 +26,7 @@ schema:
   debug: bool
   mqtt:
     broker: str
+    port: int(1,)
     username: str?
     password: str?
   volvoData:

src/translations/en.yaml

@@ -10,7 +10,7 @@ configuration:
     description: Enable Volvo API debug, normaly this can stay off
   mqtt:
     name: MQTT Broker settings
-    description: Broker is your mqtt broker IP eg "192.168.0.1". Mqtt username and password are optional.
+    description: Broker is your mqtt broker IP eg "192.168.0.1". Mqtt username and password are optional. Broker port can be changed. If no value is given, port 1883 will be used.
   volvoData:
     name: Volvo APP credentials
     description: You have to enter your Volvo app credentials. The username is normally your email, and the password is the password you use for your Volvo app. The vin can stay empty. The Add-On will use any vin inside your Volvo account. VCCAPI key is required and comes from your Volvo developer account. Odometer multiplier is sometimes 10, sometimes 1. Leave it empty if you don't know what's right. Take a look at the GitHub repo for more information!