feat: added choice of averaging type for indoor and outdoor temperatures (#244)

* feat: added a choice of averaging type for indoor and outdoor temperatures

* refactor: locales updated

* refactor: some changes

src_data/locales/en.json

@@ -291,6 +291,11 @@
         "min": "Minimum temperature",
         "max": "Maximum temperature"
       },
+      "avgType": {
+        "mean": "Mean temperature",
+        "min": "Minimum temperature",
+        "max": "Maximum temperature"
+      },
       "maxModulation": "Max modulation level",
       "ohProtection": {
         "title": "Overheating protection",
@@ -352,7 +357,15 @@
             "set0target": "Set null target"
           }
         },
-        "turboFactor": "Turbo mode coeff."
+        "turboFactor": "Turbo mode coeff.",
+        "indoorTempAvgType": {
+          "title": "Indoor temp. averaging type",
+          "desc": "May be useful when using two or more indoor temp. sensors (when using «Equitherm» and/or «PID»)."
+        },
+        "outdoorTempAvgType": {
+          "title": "Outdoor temp. averaging type",
+          "desc": "May be useful when using two or more outdoor temp. sensors (when using «Equitherm»)."
+        }
       },
       "emergency": {
         "desc": "Emergency mode is activated automatically when «PID» or «Equitherm» cannot calculate the heat carrier setpoint:<br />- if «Equitherm» is enabled and the outdoor temperature sensor is disconnected;<br />- if «PID» or OT option <i>«Native heating control»</i> is enabled and the indoor temperature sensor is disconnected.<br /><b>Note:</b> On network fault or MQTT fault, sensors with <i>«Manual via MQTT/API»</i> type will be in DISCONNECTED state.",