Bottle+8 sculk->experience bottle

If I remember correctly, this change wasn't accepted or rejected, but it's something I can implement easily so I might as well. If the change gets rejected, just close this pull request.

src/main/data/harmony/recipes/xp_bottle.json

@@ -0,0 +1,20 @@
+{
+  "type": "minecraft:crafting_shaped",
+  "key": {
+    "#": {
+      "item": "minecraft:sculk"
+    },
+    "X": {
+      "item": "minecraft:glass_bottle"
+    }
+  },
+  "pattern": [
+    "###",
+    "#X#",
+    "###"
+  ],
+  "result": {
+    "count": 1,
+    "id": "minecraft:experience_bottle"
+  }
+}