fix: podspecs file for TIUIElements

TIUIElements/TIUIElements.podspec

@@ -11,12 +11,12 @@ Pod::Spec.new do |s|
   s.ios.deployment_target = '11.0'
   s.swift_versions = ['5.3']
 
-  sources = '**/Sources/**/*.swift'
+  sources = '/Sources/**/*'
   if ENV["DEVELOPMENT_INSTALL"] # installing using :path =>
     s.source_files = sources
     s.exclude_files = s.name + '.app'
   else
-    s.source_files = s.name + '/' + sources
+    s.source_files = s.name + sources
     s.exclude_files = s.name + '/*.app'
   end