* Update installing doc

* Rename style articles

* add docs prefix to getting started articles

* Rename all the things. Consistent id format

* Split docs and api

* Fix links

Co-authored-by: Guy Carmeli <guyc@wix.com>

* Completely rewritten the docs from scratch
* More coherent separation between guides and API documentation
* Switched to Docusaurus 2 since Docsify is deprecated
* More code samples
* Images and animated gifs were added where appropriate improve clarity (more will be added in the future)

* Fix invalid popover enum value for modal presentation style

The correct enum value as defined in lib/ios/RNNConvert.m is "popover" not "popOver", in line with UIModalPresentationPopover.

* Add to documentation on modal presentation styles

Add popover value and link to iOS documentation.

Co-authored-by: Yogev Ben David <yogev132@gmail.com>

Add support for NavigationBar color on Android

Corrected 

Controls he behavior of screens displayed modally. 

to this

Controls the behavior of screens displayed modally.

* Removed topBar.transparent and added transparent color support for topBar.background.color

* fix unit tests

** For iOS only

On *Migration from V1 › Options* the `navBarTextFontSize` to topBar title fontSize example was set to 'red'. This PR fixes it to the default value, 18.