Update podspec to auto versioning

MuslimData.podspec

@@ -6,9 +6,18 @@
 # To learn more about a Podspec see https://guides.cocoapods.org/syntax/podspec.html
 #
 
+require 'git'
+# Define a function to get the latest git tag
+def latest_git_tag
+  git = Git.open('.')
+  git_tag = git.describe(tags: true)
+  git_tag.strip
+end
+
+
 Pod::Spec.new do |s|
   s.name             = 'MuslimData'
-  s.version          = '2.0.0'
+  s.version          = latest_git_tag
   s.summary          = 'Islamic library (Prayer Times [fixed and calculated], Names of Allah, and Azkars).'
 
 # This description is used to generate tags and improve search results.