Update miryoku (#9442)

- Add mouse buttons overlay layer
- Change button order
- Remove crkbd hardware specifics
- Add alternative base layer alphas
- Change title
- Add logo
- Reword intro text
- Add dev branch and new commits links
- Replace manual toc and remove anchors
- Unindent lists
- Reduce headings
- Update docs
- Build keymap as object instead of including .c file
- Add kle subset mapping images
- Add alternative mapping support
- Change default mapping for ortho_4x12
- Add split mapping for ortho_4x12
- Add contact section
- Add #pragma once to layout and keyboard config.h

users/manna-harbour_miryoku/rules.mk

@@ -1,5 +1,16 @@
 # generated from users/manna-harbour_miryoku/miryoku.org  -*- buffer-read-only: t -*-
 
-MOUSEKEY_ENABLE = yes        # Mouse keys(+4700)
-EXTRAKEY_ENABLE = yes        # Audio control and System control(+450)
-LTO_ENABLE = yes
+MOUSEKEY_ENABLE = yes # Mouse keys
+EXTRAKEY_ENABLE = yes # Audio control and System control
+
+SRC += manna-harbour_miryoku.c # keymap
+
+# select alternative base layer alphas
+ifneq ($(strip $(MIRYOKU_ALPHAS)),)
+  OPT_DEFS += -DMIRYOKU_ALPHAS_$(MIRYOKU_ALPHAS)
+endif
+
+# select alternative subset mappings
+ifneq ($(strip $(MIRYOKU_MAPPING)),)
+  OPT_DEFS += -DMIRYOKU_MAPPING_$(MIRYOKU_MAPPING)
+endif