Add bmp-280 support (#1581)

src/modules/Telemetry/Sensor/BMP280Sensor.h

@@ -0,0 +1,16 @@
+#include "../mesh/generated/telemetry.pb.h"
+#include "TelemetrySensor.h"
+#include <Adafruit_BMP280.h>
+
+class BMP280Sensor : virtual public TelemetrySensor {
+private:
+    Adafruit_BMP280 bmp280;
+
+protected:
+    virtual void setup() override;
+
+public:
+    BMP280Sensor();
+    virtual int32_t runOnce() override;
+    virtual bool getMetrics(Telemetry *measurement) override;
+};