Add swkbd applet

src/core/applets/mii_selector.cpp

@@ -3,4 +3,9 @@
 using namespace Applets;
 
 void MiiSelectorApplet::reset() {}
-Result::HorizonResult MiiSelectorApplet::start() { return Result::Success; }
+Result::HorizonResult MiiSelectorApplet::start() { return Result::Success; }
+
+Result::HorizonResult MiiSelectorApplet::receiveParameter() {
+	Helpers::panic("Mii Selector received parameter");
+	return Result::Success;
+}