Add double tap guard for Additional Features

- Add Issues
- Fix suspend
- Add MIRYOKU_KLUDGE_DOUBLETAPBOOT

miryoku/miryoku_double_tap_guard.dtsi

@@ -0,0 +1,28 @@
+// Copyright 2022 Manna Harbour
+// https://github.com/manna-harbour/miryoku
+
+#define MIRYOKU_DOUBLE_TAP_GUARD(NAME, BINDING) \
+/ { \
+  behaviors { \
+    NAME: NAME { \
+      compatible = "zmk,behavior-tap-dance"; \
+      label = U_STRINGIFY(NAME); \
+      #binding-cells = <0>; \
+      tapping-term-ms = <U_TAPPING_TERM>; \
+      bindings = <&none>, <BINDING>; \
+    }; \
+  }; \
+};
+
+#define MIRYOKU_X(LAYER, STRING) \
+MIRYOKU_DOUBLE_TAP_GUARD(u_to_U_##LAYER, &to U_##LAYER)
+MIRYOKU_LAYER_LIST
+#undef MIRYOKU_X
+
+#if defined (MIRYOKU_KLUDGE_DOUBLETAPBOOT)
+  #if defined (MIRYOKU_KLUDGE_SUSPEND)
+MIRYOKU_DOUBLE_TAP_GUARD(u_suspend, &suspend)
+  #else
+MIRYOKU_DOUBLE_TAP_GUARD(u_bootloader, &bootloader)
+  #endif
+#endif