Add turbidity json

Author: rgomez90

Common/UnitDefinitions/Turbidity.json

@@ -0,0 +1,20 @@
+{
+  "Name": "Turbidity",
+  "BaseUnit": "NTU",
+  "XmlDoc": "Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air. The measurement of turbidity is a key test of water quality.",
+  "XmlDocRemarks": "https://en.wikipedia.org/wiki/Turbidity",
+  "Units": [
+    {
+      "SingularName": "NTU",
+      "PluralName": "NTU",
+      "FromUnitToBaseFunc": "x",
+      "FromBaseToUnitFunc": "x",
+      "Localization": [
+        {
+          "Culture": "en-US",
+          "Abbreviations": ["NTU"]
+        }
+      ]
+    }
+  ]
+}