[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/readme.md

@@ -0,0 +1,10 @@
+# [Gergo! By g Heavy Industries](http://gboards.ca)
+
+![Gergo image](https://4.bp.blogspot.com/-889nMXxgSM0/XCNxwnO5kUI/AAAAAAAA6mI/tZbWgZVCBW0dyZOCGJDkjN06DVax7j8XwCLcBGAs/s1600/48422820_967732713413298_485744639215665152_n.jpg)
+
+This is the default keymap for Gergo, it's based heavily off of the naps62 ErgoDox layout and is aimed at a programmer friendly keymap.
+
+## Settings
+To edit various settings, enable the 1u trackball and whatnot please modify /keyboards/gergo/keymaps/default/rules.mk
+
+Ideally you should copy this directory and make your changes there. If you come up with a good layout submit a PR!