React Native Windows updates (#2206)

Various updates for React Native Windows

**Docs**
* Fixed windows installation in readme
* Added local dev setup instructions

**Build**
* Added VS solutions for RNW 0.61, 0.62, and 0.63+
* Added clang-formatting definition

**Features**
* Fixed autolinking for RNW 0.63+
* Added support for `rate` property

**Examples**
* Upgraded examples/basic to RN 0.61 and replaced broken windows app

examples/basic/windows/VideoPlayer/App.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "App.xaml.g.h"
+
+
+
+namespace winrt::VideoPlayer::implementation
+{
+    struct App : AppT<App>
+    {
+        App() noexcept;
+    };
+} // namespace winrt::VideoPlayer::implementation
+
+