boss token and diary

added diary, sprites for projectile and token, attack hitbox changes, added refightability of bosses

pygame test/data/world/rooms/room_01.json

@@ -130,6 +130,14 @@
         560
       ],
       "radius": 180
+    },
+    {
+      "type": "quest_giver",
+      "quest_id": "quest_first_kills",
+      "pos": [
+        300,
+        600
+      ]
     }
   ]
 }