Add NO_ACTION_ONESHOT config option

common/action_oneshot.c

@@ -0,0 +1,21 @@
+#include "action_oneshot.h"
+
+
+#ifndef NO_ACTION_ONESHOT
+oneshot_state_t oneshot_state;
+
+void oneshot_start(uint8_t mods)
+{
+    oneshot_state.mods = mods;
+}
+
+void oneshot_cancel(void)
+{
+    oneshot_state.mods = 0;
+}
+
+void oneshot_toggle(void)
+{
+    oneshot_state.disabled = !oneshot_state.disabled;
+}
+#endif