[Keyboard] Adding support for Gergo (#4792)

* Commited into clean repo

* Gergo initial release

* Cleaning up

* Cleaning up

* Update readme.md

* Updated image, fixed MD formatting, added clairity

* Moved keymap to keyboard subdir, modified rules.mk

* Cleaned header guards

* Cleaned header guards. Read the rest of the PR comments

* Update keyboards/gergo/keymaps/default/keymap.c

Co-Authored-By: germ <jeremythegeek@gmail.com>

* Update keyboards/gergo/readme.md

Co-Authored-By: germ <jeremythegeek@gmail.com>

* Moved makefiles to keymap mod-area-thingy-with-overrides

* Update rules.mk

Slow the roll on the defaults while I wait for merge

* Update rules.mk

* Cleaning cleaning cleaning

* More housekeeping. Keeping optdefs

* moved keyboard specfic conf to config.h. Can we merge yet?

* added info.json

keyboards/gergo/keymaps/default/rules.mk

@@ -0,0 +1,36 @@
+#----------------------------------------------------------------------------
+# make gergo:germ:dfu
+# Make sure you have dfu-programmer installed!
+#----------------------------------------------------------------------------
+# Firmware options
+BALLER = yes 			# Enable to ball out
+BALLSTEP = 20  			# Multiple in px to move, multiplied by layer number
+SCROLLSTEP = 1 			# Lines to scroll with ball
+MOUSEKEY_ENABLE = yes  		# Mouse keys(+4700), needed for baller
+
+#Debug options
+VERBOSE 		 = yes
+DEBUG_MATRIX_SCAN_RATE   = no
+DEBUG_BALLER 		 = no
+DEBUG_MATRIX		 = no
+
+# A bunch of stuff that you shouldn't touch unless you
+# know what you're doing.
+#
+# No touchy, capiche?
+SRC += matrix.c i2c_master.c
+ifneq ($(strip $(BALLSTEP)),)
+    OPT_DEFS += -DTRKSTEP=$(strip $(BALLSTEP))
+endif
+ifneq ($(strip $(SCROLLSTEP)),)
+    OPT_DEFS += -DSCROLLSTEP=$(strip $(SCROLLSTEP))
+endif
+ifeq ($(strip $(BALLER)), yes)
+    OPT_DEFS += -DBALLER
+endif
+ifeq ($(strip $(DEBUG_BALLER)), yes)
+    OPT_DEFS += -DDEBUG_BALLER
+endif
+ifeq ($(strip $(DEBUG_MATRIX)), yes)
+    OPT_DEFS += -DDEBUG_MATRIX
+endif