Added Via keymap to Spaceman 2% Milk (#9484)

* added via support to spaceman 2% milk

* changed kc trns in layers 1-3

* changed vendor and product ID per creator suggestion

keyboards/spaceman/2_milk/keymaps/via/keymap.c

@@ -0,0 +1,20 @@
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+      [0] = LAYOUT(
+          KC_Z,
+          KC_X
+      ),
+      [1] = LAYOUT(
+          _______,
+          _______
+      ),
+      [2] = LAYOUT(
+          _______,
+          _______
+      ),
+      [3] = LAYOUT(
+          _______,
+          _______
+      )
+};

keyboards/spaceman/2_milk/keymaps/via/readme.md

@@ -0,0 +1,2 @@
+# Default keymap for 2% Milk
+![Picture](https://i.imgur.com/9PsZ6wa.png)

keyboards/spaceman/2_milk/keymaps/via/rules.mk

@@ -0,0 +1,2 @@
+VIA_ENABLE = yes
+LTO_ENABLE = yes