Add CardKB, FACES and RAK14004 support to inputbroker/cannedmessages

src/input/kbI2cBase.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "SinglePortModule.h" // TODO: what header file to include?
+#include "InputBroker.h"
+
+class KbI2cBase :
+    public Observable<const InputEvent *>,
+    private concurrency::OSThread
+{
+  public:
+    explicit KbI2cBase(const char *name);
+    void PressHandler();
+
+  protected:
+    virtual int32_t runOnce() override;
+
+  private:
+    const char *_originName;
+};