Creates a layouts/ folder for keymaps shared between keyboards (#1609)

* include variables and .h files as pp directives

* start layout compilation

* split ergodoxes up

* don't compile all layouts for everything

* might seg fault

* reset layouts variable

* actually reset layouts

* include rules.mk instead

* remove includes from rules.mk

* update variable setting

* load visualizer from path

* adds some more examples

* adds more layouts

* more boards added

* more boards added

* adds documentation for layouts

* use lowercase names for LAYOUT_

* add layout.json files for each layout

* add community folder, default keymaps for layouts

* touch-up default layouts

* touch-up layouts, some keyboard rules.mk

* update documentation for layouts

* fix up serial/i2c switches

1 files changed, 5 insertions, 0 deletions

diff --git a/keyboards/ergodone/ergodone.c b/keyboards/ergodone/ergodone.c
new file mode 100644
index 000000000..6b8d8a063
--- /dev/null
+++ b/keyboards/ergodone/ergodone.c
@@ -0,0 +1,5 @@
+#include "ergodone.h"
+
+void matrix_init_kb(void) {
+  matrix_init_user();
+}