add support for Sen5x sensor series (#3383)

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

esphome/components/sen5x/automation.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/automation.h"
+#include "sen5x.h"
+
+namespace esphome {
+namespace sen5x {
+
+template<typename... Ts> class StartFanAction : public Action<Ts...> {
+ public:
+  explicit StartFanAction(SEN5XComponent *sen5x) : sen5x_(sen5x) {}
+
+  void play(Ts... x) override { this->sen5x_->start_fan_cleaning(); }
+
+ protected:
+  SEN5XComponent *sen5x_;
+};
+
+}  // namespace sen5x
+}  // namespace esphome