feat(rnsdk) add initial React Native SDK

Co-authored-by: Calin-Teodor <calin.chitu@8x8.com>
Co-authored-by: Saúl Ibarra Corretgé <saghul@jitsi.org>

react-native-sdk/jitsi-meet-react-native.podspec

@@ -0,0 +1,26 @@
+require 'json'
+
+package = JSON.parse(File.read(File.join(__dir__, 'package.json')))
+
+Pod::Spec.new do |s|
+  s.name           = package['name']
+  s.version        = package['version']
+  s.summary        = package['description']
+  s.description    = package['description']
+  s.license        = package['license']
+  s.author         = package['author']
+  s.homepage       = package['homepage']
+  s.source         = { :git => package['repository']['url'], :tag => s.version }
+
+  s.requires_arc   = true
+  s.platform       = :ios, '12.4'
+
+  s.preserve_paths = 'ios/**/*'
+  s.source_files   =  'ios/**/*.{h,m,swift}'
+
+
+  s.dependency 'React-Core'
+  s.dependency 'ObjectiveDropboxOfficial', '6.2.3'
+  s.dependency 'JitsiWebRTC', '~> 111.0.0'
+
+end