Keyboard: add support for kbd19x (#4272)

* 60_ansi keymap for DZ60

* 60_ansi keymap for DZ60

Amend author

* 60_ansi keymap for DZ60

* Merge new phantom layout from dev branch

* Initial util/new_project files

* Progress checkpoint (compiles, but untested)

* Progress snapshot, still working on layout graphics

* Add layer images

* Tidy up formatting

* First cut at info.json for kbd19x default layout

* Add default keymap

* add all-keys layout

* clean up documentation

* Update keyboards/kbd19x/info.json

Co-Authored-By: jshuf <44121348+jshuf@users.noreply.github.com>

* Update keyboards/kbd19x/rules.mk

Co-Authored-By: jshuf <44121348+jshuf@users.noreply.github.com>

* Change layout name from default to ansi

keyboards/kbd19x/keymaps/default/config.h

@@ -0,0 +1,20 @@
+/*
+Copyright 2018 Jeff Shufelt <jshuf@puppyfish.com> @jshuf
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+// place overrides here