Support SHT31 temperature sensor

src/modules/Telemetry/Sensor/SHT31Sensor.h

@@ -0,0 +1,16 @@
+#include "../mesh/generated/telemetry.pb.h"
+#include "TelemetrySensor.h"
+#include <Adafruit_SHT31.h>
+
+class SHT31Sensor : virtual public TelemetrySensor {
+private:
+    Adafruit_SHT31 sht31 = Adafruit_SHT31();
+
+protected:
+    virtual void setup() override;
+    
+public:
+    SHT31Sensor();
+    virtual int32_t runOnce() override;
+    virtual bool getMetrics(Telemetry *measurement) override;
+};