recipes: add Miner Mk2

data/recipes/machine/production/miner_mk2.json

@@ -0,0 +1,27 @@
+{
+  "type": [
+    "machine"
+  ],
+  "is": "miner",
+  "machine": "_craft_bench",
+  "power_usage": 12,
+  "size": [
+    8,
+    14,
+    18
+  ],
+  "recipes": [
+    {
+      "input": {
+        "portable_miner": 2,
+        "encased_industrial_beam": 5,
+        "steel_pipe": 10,
+        "cable": 15
+      },
+      "output": {
+        "miner_mk2": 1
+      },
+      "requires": "tier_4"
+    }
+  ]
+}