DZ60 iso layout with 4th row (Z row) having all 1u size keys.

### _QWERTY:
Base iso qwerty layer with arrow keys
```
,-----------------------------------------------------------------------------------------.
| Esc |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  |  -  |  =  |   Bkspc   |
|-----------------------------------------------------------------------------------------+
|  Tab   |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |  [  |  ]  |        |
|---------------------------------------------------------------------------------- Enter +
|   Fn    |  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |  ;  |  '  |  #   |      |
|-----------------------------------------------------------------------------------------+
|Shift|  \  |  Z  |  X  |  C  |  V  |  B  |  N  |  M  |  ,  |  .  |  /  | Ins | Up  | Del |
|-----------------------------------------------------------------------------------------+
| Ctrl |  Os   |  Alt  |              Space                |Caps |  Fn  |Left |Down |Right|
`-----------------------------------------------------------------------------------------'
```

### _FUNCTION
Layer with function keys, media keys and rgb keys
```
FN Layer
,-----------------------------------------------------------------------------------------.
|  `  |  F1 |  F2 |  F3 |  F4 |  F5 |  F6 |  F7 |  F8 |  F9 | F10 | F11 | F12 |    DEL    |
|-----------------------------------------------------------------------------------------+
|        |     |  Up |     |     |     |     |     |     |     |PSRC |     |     |        |
|----------------------------------------------------------------------------------       +
|         |Left |Down |Right|     |     |     |     |     |     |     |     |      |      |
|-----------------------------------------------------------------------------------------+
|     |     |     |     |     |     |MPrev|MNext|Mute |VolUp|VolDn|MPlay|     |PgUp |     |
|-----------------------------------------------------------------------------------------+
|      |       |       |                                   |     |      |Home |PGDn | End |
`-----------------------------------------------------------------------------------------'
```