Adding stick radius setting

because that makes it easier to adjust it

Adding visual aid for the hardware range because that makes it easier to adjust the radius relative to it

Source/Core/InputCommon/Src/ControllerEmu.cpp

@@ -226,6 +226,7 @@ ControllerEmu::AnalogStick::AnalogStick(const char* const _name) : ControlGroup(
 
 	controls.push_back(new Input(_trans("Modifier")));
 
+	settings.push_back(new Setting(_trans("Radius"), 0.7f, 0, 100));
 	settings.push_back(new Setting(_trans("Dead Zone"), 0, 0, 50));
 	settings.push_back(new Setting(_trans("Square Stick"), 0));