added Gas Post API.

Views/API/Index.cshtml

@@ -201,6 +201,30 @@
         useUKMPG(bool) - Use UK Imperial Calculation
     </div>
 </div>
+<div class="row">
+    <div class="col-1">
+        POST
+    </div>
+    <div class="col-5">
+        <code>/api/vehicle/gasrecords/add</code>
+    </div>
+    <div class="col-3">
+        Adds Gas Record to the vehicle
+    </div>
+    <div class="col-3">
+        vehicleId - Id of Vehicle
+        <br />
+        Body(form-data): {<br />
+        date - Date to be entered<br />
+        odometer - Odometer reading<br />
+        fuelConsumed - Fuel Consumed<br />
+        cost - Cost<br />
+        isFillToFull(bool) - Filled To Full<br />
+        missedFuelUp(bool) - Missed Fuel Up<br />
+        notes - notes(optional)<br />
+        }
+    </div>
+</div>
 <div class="row">
     <div class="col-1">
         GET