add unlocksDoors to Volcano

Author: kjbranch

region/norfair/east/Volcano Room.json

@@ -244,13 +244,21 @@
       "entranceCondition": {
         "comeInNormally": {}
       },
-      "requires": [],
+      "requires": [
+        {"heatFrames": 60}
+      ],
       "exitCondition": {
         "leaveWithRunway": {
           "length": 6,
           "openEnd": 1
         }
-      }
+      },
+      "unlocksDoors": [
+        {
+          "types": ["ammo"],
+          "requires": []
+        }
+      ]
     },
     {
       "id": 9,