Initial structure.

Makefile

@@ -0,0 +1,16 @@
+.SILENT:
+
+MAKEFLAGS += --no-print-directory
+
+QMK_USERSPACE := $(patsubst %/,%,$(dir $(shell realpath "$(lastword $(MAKEFILE_LIST))")))
+ifeq ($(QMK_USERSPACE),)
+    QMK_USERSPACE := $(shell pwd)
+endif
+
+QMK_FIRMWARE_ROOT = $(shell qmk config -ro user.qmk_home | cut -d= -f2 | sed -e 's@^None$$@@g')
+ifeq ($(QMK_FIRMWARE_ROOT),)
+    $(error Cannot determine qmk_firmware location. `qmk config -ro user.qmk_home` is not set)
+endif
+
+%:
+	+$(MAKE) -C $(QMK_FIRMWARE_ROOT) $(MAKECMDGOALS) QMK_USERSPACE=$(QMK_USERSPACE)