Adding support for Chatter keypad (#4022)

* Adding support for Chatter keypad

* Remove user button mapping since full keypad is now useable

* Adding TAB key and RIGHT to allow selecting a destination

* Fix shift bug (there's only three levels, not four)

* reformat file

* Fix bug with fast repeated keypresses

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

src/modules/Modules.cpp

@@ -6,6 +6,7 @@
 #include "input/UpDownInterruptImpl1.h"
 #include "input/cardKbI2cImpl.h"
 #include "input/kbMatrixImpl.h"
+#include "input/SerialKeyboardImpl.h"
 #endif
 #if !MESHTASTIC_EXCLUDE_ADMIN
 #include "modules/AdminModule.h"
@@ -149,6 +150,10 @@ void setupModules()
         kbMatrixImpl = new KbMatrixImpl();
         kbMatrixImpl->init();
 #endif // INPUTBROKER_MATRIX_TYPE
+#ifdef INPUTBROKER_SERIAL_TYPE
+        aSerialKeyboardImpl = new SerialKeyboardImpl();
+        aSerialKeyboardImpl->init();
+#endif // INPUTBROKER_MATRIX_TYPE
 #endif // HAS_BUTTON
 #if ARCH_PORTDUINO
         aLinuxInputImpl = new LinuxInputImpl();