keebzdotnet FMe Layout Additionns (#20696)

* add matrix_diagram.md

* add LAYOUT_1x2u with reference keymap

* add LAYOUT_2x1u with reference keymap

keyboards/keebzdotnet/fme/keymaps/default_1x2u/keymap.c

@@ -0,0 +1,33 @@
+/*
+Copyright 2021 keebnewb
+
+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 QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+    [0] = LAYOUT_1x2u(
+        KC_F,    KC_U,    KC_C,    KC_K,    KC_BSPC,
+        KC_Y,    KC_O,    KC_U,    MO(1),
+        KC_SPC,                    KC_SPC
+    ),
+
+    [1] = LAYOUT_1x2u(
+        QK_BOOT, _______, _______, _______, KC_DEL,
+        _______, _______, _______, _______,
+        _______,                   _______
+    ),
+
+};