Update Navigation.md
Update Navigation.md

Summary:
NavigatorIOS push method arg is route object.
For working this image animation,
add passProps property to NavigationIOS,
changed _onForward function navigator.push method arg is route object

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Closes https://github.com/facebook/react-native/pull/15178

Differential Revision: D5481399

Pulled By: hramos

fbshipit-source-id: b131ef27b70fc0bbc4f519a924187c19dca73ed2

farazs/react-native,exponent/react-native,formatlos/react-native,kesha-antonov/react-native,hoastoolshop/react-native,frantic/react-native,javache/react-native,formatlos/react-native,janicduplessis/react-native,hoangpham95/react-native,hoangpham95/react-native,myntra/react-native,janicduplessis/react-native,jevakallio/react-native,rickbeerendonk/react-native,makadaw/react-native,myntra/react-native,cdlewis/react-native,rickbeerendonk/react-native,farazs/react-native,rickbeerendonk/react-native,exponent/react-native,farazs/react-native,hammerandchisel/react-native,makadaw/react-native,makadaw/react-native,kesha-antonov/react-native,frantic/react-native,hoastoolshop/react-native,ptmt/react-native-macos,farazs/react-native,exponentjs/react-native,ptmt/react-native-macos,rickbeerendonk/react-native,dikaiosune/react-native,javache/react-native,farazs/react-native,janicduplessis/react-native,pandiaraj44/react-native,facebook/react-native,formatlos/react-native,cdlewis/react-native,kesha-antonov/react-native,dikaiosune/react-native,makadaw/react-native,jevakallio/react-native,makadaw/react-native,Bhullnatik/react-native,javache/react-native,hammerandchisel/react-native,hoastoolshop/react-native,ptmt/react-native-macos,kesha-antonov/react-native,Bhullnatik/react-native,kesha-antonov/react-native,ptmt/react-native-macos,hoastoolshop/react-native,frantic/react-native,dikaiosune/react-native,jevakallio/react-native,hoangpham95/react-native,frantic/react-native,ptmt/react-native-macos,janicduplessis/react-native,cdlewis/react-native,farazs/react-native,javache/react-native,cdlewis/react-native,javache/react-native,myntra/react-native,negativetwelve/react-native,jevakallio/react-native,cdlewis/react-native,hammerandchisel/react-native,formatlos/react-native,myntra/react-native,exponent/react-native,jevakallio/react-native,frantic/react-native,facebook/react-native,exponent/react-native,javache/react-native,makadaw/react-native,farazs/react-native,Bhullnatik/react-native,myntra/react-native,pandiaraj44/react-native,jevakallio/react-native,myntra/react-native,Bhullnatik/react-native,Bhullnatik/react-native,exponentjs/react-native,arthuralee/react-native,negativetwelve/react-native,kesha-antonov/react-native,hoangpham95/react-native,pandiaraj44/react-native,formatlos/react-native,rickbeerendonk/react-native,makadaw/react-native,facebook/react-native,janicduplessis/react-native,formatlos/react-native,exponentjs/react-native,dikaiosune/react-native,negativetwelve/react-native,javache/react-native,hoangpham95/react-native,dikaiosune/react-native,ptmt/react-native-macos,arthuralee/react-native,exponentjs/react-native,exponentjs/react-native,negativetwelve/react-native,myntra/react-native,exponent/react-native,hammerandchisel/react-native,hoangpham95/react-native,exponent/react-native,exponentjs/react-native,hoangpham95/react-native,hoastoolshop/react-native,ptmt/react-native-macos,negativetwelve/react-native,pandiaraj44/react-native,rickbeerendonk/react-native,arthuralee/react-native,ptmt/react-native-macos,hoangpham95/react-native,arthuralee/react-native,kesha-antonov/react-native,negativetwelve/react-native,farazs/react-native,formatlos/react-native,facebook/react-native,negativetwelve/react-native,jevakallio/react-native,cdlewis/react-native,rickbeerendonk/react-native,janicduplessis/react-native,exponentjs/react-native,janicduplessis/react-native,facebook/react-native,negativetwelve/react-native,javache/react-native,hoastoolshop/react-native,Bhullnatik/react-native,makadaw/react-native,janicduplessis/react-native,pandiaraj44/react-native,facebook/react-native,dikaiosune/react-native,exponent/react-native,facebook/react-native,dikaiosune/react-native,makadaw/react-native,hammerandchisel/react-native,rickbeerendonk/react-native,exponent/react-native,myntra/react-native,hammerandchisel/react-native,dikaiosune/react-native,facebook/react-native,cdlewis/react-native,Bhullnatik/react-native,hammerandchisel/react-native,kesha-antonov/react-native,hoastoolshop/react-native,javache/react-native,jevakallio/react-native,cdlewis/react-native,arthuralee/react-native,jevakallio/react-native,pandiaraj44/react-native,kesha-antonov/react-native,farazs/react-native,pandiaraj44/react-native,Bhullnatik/react-native,hoastoolshop/react-native,cdlewis/react-native,rickbeerendonk/react-native,formatlos/react-native,exponentjs/react-native,formatlos/react-native,pandiaraj44/react-native,hammerandchisel/react-native,myntra/react-native,facebook/react-native,negativetwelve/react-native