Eric Gebhart user space and keymaps (#17487)

Co-authored-by: Drashna Jaelre <drashna@live.com>

users/ericgebhart/extensions/not_dead.c

@@ -0,0 +1,36 @@
+/*
+  Copyright 2022 Eric Gebhart <e.a.gebhart@gmail.com>
+
+  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/>.
+*/
+
+#include USERSPACE_H
+
+inline void not_dead(uint16_t kc1, keyrecord_t *record) {
+  if (record->event.pressed) {
+    tap_code16(kc1);
+    tap_code16(KC_SPACE);
+  }
+}
+
+#define NOT_DEAD(KCKEY, KC01)             \
+  case KCKEY:                             \
+  not_dead(KC01, record);                 \
+  break;                                  \
+
+void process_not_dead(uint16_t keycode, keyrecord_t *record) {
+  switch(keycode){
+#include "not_dead.def"
+  }
+}