docs(gitbook): try out generated docs

docs/plugins/call-number/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/call-number/index.ts#L1">
+  Improve this doc
+</a>
+
+# Call Number
+
+```
+$ ionic cordova plugin add call-number
+$ npm install @ionic-native/plugins/call-number
+```
+
+## [Usage Documentation](https://ionicframework.com/docs/native/call-number/)
+
+Plugin Repo: [https://github.com/Rohfosho/CordovaCallNumberPlugin](https://github.com/Rohfosho/CordovaCallNumberPlugin)
+
+Call a number directly from your Cordova/Ionic application.
+NOTE\*\*: The iOS Simulator (and maybe Android Simulators) do not provide access to the phone subsystem.
+
+## Supported platforms
+
+- Android
+  - iOS