Add Roman's single layer layout based on Norman

keyboard/ergodox_ez/keymaps/romanzolotarev-norman-osx/keymap.c

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+#include "ergodox_ez.h"
+#include "debug.h"
+#include "action_layer.h"
+
+#define BASE 0
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [BASE] = KEYMAP(
+    KC_GRV,        KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_F5,
+    KC_TAB,        KC_Q,    KC_W,    KC_D,    KC_F,    KC_K,    KC_BSLS,
+    CTL_T(KC_ESC), KC_A,    KC_S,    KC_E,    KC_T,    KC_G,
+    KC_LSFT,       KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_LBRC,
+    KC_F1,         KC_F2,   KC_F3,   KC_F4,   KC_LGUI, 
+    /*-*/          /*-*/    /*-*/    /*-*/    /*-*/    KC_VOLD, KC_MUTE,
+    /*-*/          /*-*/    /*-*/    /*-*/    /*-*/    /*-*/    KC_VOLU,
+    /*-*/          /*-*/    /*-*/    /*-*/    /*-*/    KC_BSPC, CTL_T(KC_ESC), KC_LALT,
+    //
+    /*-*/          KC_F6,   KC_6,    KC_7,    KC_8,    KC_9,    KC_0,          KC_EQL,
+    /*-*/          KC_NO,   KC_J,    KC_U,    KC_R,    KC_L,    KC_SCLN,       KC_MINS,
+    /*-*/          /*-*/    KC_Y,    KC_N,    KC_I,    KC_O,    KC_H,          KC_ENT,
+    /*-*/          KC_RBRC, KC_P,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH,       KC_RSFT,
+    /*-*/          /*-*/    /*-*/    KC_RGUI, KC_LEFT, KC_DOWN, KC_UP,         KC_RGHT, 
+    KC_MPLY,       KC_MNXT,
+    KC_MPRV,
+    KC_RALT,       KC_QUOT, KC_SPC
+    )
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+};
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) {
+};
+
+// Runs just one time when the keyboard initializes.
+void matrix_init_user(void) {
+  ergodox_board_led_off();
+  ergodox_right_led_1_off();
+  ergodox_right_led_2_off();
+  ergodox_right_led_3_off();
+};
+
+// Runs constantly in the background, in a loop.
+void matrix_scan_user(void) {
+};

keyboard/ergodox_ez/keymaps/romanzolotarev-norman-osx/readme.md

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+# Roman's Layout
+
+There is only one layer based on [Norman layout](https://normanlayout.info/).
+
+Looking for multiple-layer layouts?
+
+- [Symbols, arrows, plover, HJKL arrows](../romanzolotarev-norman-plover-osx-hjkl/)
+- [Same with IJKL arrows](../romanzolotarev-norman-plover-osx/)
+
+[![keyboard-layout](romanzolotarev-norman-osx.png)](http://www.keyboard-layout-editor.com/#/gists/9e89d54f1ea6eeeb7dab1b2d19d28195)
+
+## Functional Keys
+
+- Tap `F1` to mute microphone via [Shush](http://mizage.com/shush/).
+- Tap `F2` to copy screenshot to the clipboard.
+- Hold `SHIFT` and tap `F2` to save screenshot as a file.
+- Tap `F3`, `F4`, `F5`, `F6` to resize a window via [Divvy](http://mizage.com/divvy/).
+
+## CTRL/ESC
+
+CTRL and ESC are frequently used in Vim.
+
+- Tap `CTRL/ESC` to send `ESC`.
+- Hold `CTRL/ESC` to use as `CTRL`.
+
+## Activate N-rollover
+
+- Hold left `SHIFT` and right `SHIRT` and then tap `N`.