docs(gitbook): try out generated docs

docs/plugins/app-preferences/README.md

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+<a style="float:right;font-size:12px;" href="http://github.com/danielsogl/awesome-cordova-plugins/edit/master/src/@awesome-cordova-plugins/plugins/app-preferences/index.ts#L2">
+  Improve this doc
+</a>
+
+# App Preferences
+
+```
+$ ionic cordova plugin add cordova-plugin-app-preferences
+$ npm install @ionic-native/plugins/app-preferences
+```
+
+## [Usage Documentation](https://ionicframework.com/docs/native/app-preferences/)
+
+Plugin Repo: [https://github.com/apla/me.apla.cordova.app-preferences](https://github.com/apla/me.apla.cordova.app-preferences)
+
+This plugin allows you to read and write app preferences
+
+## Supported platforms
+
+- Android
+  - BlackBerry 10
+  - Browser
+  - iOS
+  - macOS
+  - Windows 8
+  - Windows Phone