aw6374: each year new calculation model; fix OM -> Carbon switch, calculation based on carbon

CarbonCalculation25.cs

@@ -0,0 +1,40 @@
+using CarbonLib;
+using CarbonService.Models;
+using FarmMapsAPI.Carbon.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FarmMapsAPI.Carbon
+{
+    public class CarbonCalculation25 : ICarbonCalculation
+    {
+        public CarbonCalculation25(string configPath)
+        {
+
+        }
+
+        public CarbonRequest MapFarmMapsToMiterra(FarmMapsCarbonRequest farmInput)
+        {
+            throw new NotImplementedException();
+        }
+
+        public string Validate(CarbonRequest farmInput)
+        {
+            throw new NotImplementedException();
+        }
+
+        public CarbonSummary Calculate(CarbonRequest farmInput)
+        {
+            var response = new CarbonSummary();
+            return response;
+        }
+
+        public double? GetCropYield(string cropCode, int year, int postalCode)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}