[v6] Implement ML-Kit Natural Language (#2117)

- Implement ML-Kit Natural Language (#2117)
 - Includes additional refactor changes across other modules for internals api reworking

scripts/_TEMPLATE_/RNFB_Template_.podspec

@@ -14,7 +14,7 @@ Pod::Spec.new do |s|
   s.source              = { :git => "https://github.com/invertase/react-native-firebase.git", :tag => "v#{s.version}" }
   s.social_media_url    = 'http://twitter.com/invertaseio'
   s.platform            = :ios, "10.0"
-  s.source_files        = 'RNFB_Template_/**/*.{h,m}'
+  s.source_files        = 'ios/**/*.{h,m}'
   s.dependency          'React'
   s.dependency          'Firebase/Core', '~> 5.20.2'
   s.dependency          'RNFBApp'

scripts/_TEMPLATE_/android/.editorconfig

@@ -0,0 +1,10 @@
+# editorconfig
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true