add wooden dog whistle & recipe

Adds a craftable dog whistle made out of wood, heavier and more bulky than the uncraftable aluminum one.

data/json/items/tool/pets.json

@@ -109,5 +109,19 @@
     "symbol": "#",
     "color": "brown",
     "looks_like": "pet_carrier"
-  }
+  },
+  {
+    "id": "dog_whistle_wood",
+    "type": "TOOL",
+    "name": { "str": "wooden dog whistle" },
+    "description": "This is a whistle carved out of hardwood.  When used, it produces a high tone that causes nearby friendly dogs to either follow you closely and stop attacking, or start attacking enemies if they are currently docile.",
+    "weight": "50 g",
+    "volume": "20 ml",
+    "price": 800,
+    "material": "wood",
+    "symbol": ";",
+    "color": "yellow",
+	"looks_like": "dog_whistle",
+    "use_action": "DOG_WHISTLE"
+  }  
 ]

data/json/recipes/other/tool.json

@@ -642,5 +642,18 @@
     "time": "45 m",
     "autolearn": true,
     "components": [ [ [ "straw_pile", 3 ], [ "birchbark", 5 ] ] ]
+  },
+  {
+    "result": "dog_whistle_wood",
+    "type": "recipe",
+    "category": "CC_OTHER",
+    "subcategory": "CSC_OTHER_TOOLS",
+    "skill_used": "fabrication",
+	"skills_required": [ "survival", 2 ],
+    "difficulty": 4,
+    "time": "20 m",
+    "autolearn": true,
+    "qualities": [ { "id": "CUT", "level": 1 }, { "id": "CUT_FINE", "level": 1 }],
+    "components": [ [ [ "2x4", 1 ], [ "stick", 1] ] ]
   }
 ]