config.h file lets you specify how many layers and macros are you using:
But there are some other things you can change to tweak the behaviour of the keyboard:
MAX_MACRO_LENGTH: Maximum length for macros (in characters)
TAP_TIMEOUT_MS: How many milliseconds a double-function key should be held
before assuming you don't want it to do anything.
LAYER_DROPPING_TIMEOUT_MS: How many milliseconds to wait after a layer drop
before start accepting new keys to avoid unintentional pressing of default
ENABLE_DOUBLE_SHIFT_CAPS_LOCK: Pressing both left and right shift keys at the
same time toggles Caps Lock.