added a method that gets the jewish month like it is in KosherJava

KosherSwiftNew.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |spec|
 
   spec.name         = "KosherSwiftNew"
-  spec.version      = "1.0.9"
+  spec.version      = "2.0.0"
   spec.summary      = "KosherJava Zmanim API / Library ported to Swift."
 
   spec.description  = "This Zmanim library is an API for a specialized calendar that can calculate different astronomical times including sunrise and sunset and Jewish zmanim or religious times for prayers and other Jewish religious duties.

Sources/KosherSwift/hebrewcalendar/JewishCalendar.swift

@@ -885,6 +885,48 @@ public class JewishCalendar {
         return hebrewCalendar.component(.month, from: workingDate);
     }
 
+    /**
+     * Returns the Jewish month 1-12 (or 13 years in a leap year) as it is in KosherJava with Nissan being the first month of the year.
+     * The month count starts with 1 for Nissan and goes to 13 for Adar II
+     *
+     * @return the Jewish month from 1 to 12 (or 13 years in a leap year). The month count starts with 1 for Nissan and goes to 13 for Adar II
+     */
+    public func getNissanStartingJewishMonth() -> Int {
+        var hebrewCalendar = Calendar(identifier: .hebrew)
+        hebrewCalendar.timeZone = timeZone
+        let swiftJewishMoth = hebrewCalendar.component(.month, from: workingDate);
+        switch swiftJewishMoth {
+        case JewishCalendar.NISSAN:
+            return 1
+        case JewishCalendar.IYAR:
+            return 2
+        case JewishCalendar.SIVAN:
+            return 3
+        case JewishCalendar.TAMMUZ:
+            return 4
+        case JewishCalendar.AV:
+            return 5
+        case JewishCalendar.ELUL:
+            return 6
+        case JewishCalendar.TISHREI:
+            return 7
+        case JewishCalendar.CHESHVAN:
+            return 8
+        case JewishCalendar.KISLEV:
+            return 9
+        case JewishCalendar.TEVES:
+            return 10
+        case JewishCalendar.SHEVAT:
+            return 11
+        case JewishCalendar.ADAR:
+            return 12
+        case JewishCalendar.ADAR_II:
+            return 13
+        default:
+            return -1
+        }
+    }
+
     /**
      * Returns the Jewish day of month.
      *