teleinfo: use text_sensor and sensor. (#1403)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: Otto winter <otto@otto-winter.com>

esphome/components/teleinfo/sensor/teleinfo_sensor.h

@@ -0,0 +1,16 @@
+#pragma once
+#include "esphome/components/teleinfo/teleinfo.h"
+#include "esphome/components/sensor/sensor.h"
+
+namespace esphome {
+namespace teleinfo {
+
+class TeleInfoSensor : public TeleInfoListener, public sensor::Sensor, public Component {
+ public:
+  TeleInfoSensor(const char *tag);
+  void publish_val(std::string val) override;
+  void dump_config() override;
+};
+
+}  // namespace teleinfo
+}  // namespace esphome