Add day's input

12/12_1.js

@@ -1,4 +1,11 @@
+const util = require("util");
 
+const input = [
+    "<x=14, y=15, z=-2>",
+    "<x=17, y=-3, z=4>",
+    "<x=6, y=12, z=-13>",
+    "<x=-2, y=10, z=-8>",
+];
 
 class Vector3 {
     /**