[Chore]: Create podspec file

SLAvatarKit.podspec

@@ -0,0 +1,13 @@
+Pod::Spec.new do |s|
+  s.name             = 'SLAvatarKit'
+  s.version          = '1.0.0'
+  s.summary          = 'Take your iOS app development to the next level with AvatarKit, a powerful framework for creating captivating and dynamic avatars. AvatarKit allows you to design and animate personalized memojis and animojis, providing a seamless and engaging user experience.'
+  s.homepage         = 'https://github.com/ScribbleLabApp/AvatarKit'
+  s.license          = { :type => 'AGPL-3.0', :file => 'LICENSE' }
+  s.author           = { 'ScribbleLabApp' => '[email protected]' }
+  s.documentation_url = 'https://scribblelabapp.github.io/AvatarKit/'
+  s.source           = { :git => 'https://github.com/ScribbleLabApp/AvatarKit.git', :tag => s.version.to_s }
+  s.ios.deployment_target = '16.1'
+  s.swift_version = '5.0'
+  s.source_files = 'Sources/**/*.{swift,h,m}'
+end