Added Trowel

Fixed issue with wrench
Organised tools into folders

data/lzstools_trowel/predicate/offhand/iron.json

@@ -0,0 +1,17 @@
+{
+  "condition": "minecraft:entity_properties",
+  "entity": "this",
+  "predicate": {
+    "equipment": {
+      "offhand": {
+        "predicates": {
+          "minecraft:custom_data": {
+            "lzstools": [
+              "trowel_diamond"
+            ]
+          }
+        }
+      }
+    }
+  }
+}