Marked old react-native docs as deprecated and unlinked them

Author: mitsuhiko

docs/integrations/index.rst

@@ -38,5 +38,10 @@ To install a plugin just include the plugin **after** Raven has been loaded and
    backbone
    ember
    react
-   react-native
    vue
+
+
+.. toctree::
+   :hidden:
+
+   react-native

docs/integrations/react-native.rst

@@ -1,14 +1,15 @@
-.. _react-native-pure-js:
-
-React Native
-============
-
-React Native for Raven.js is a pure JavaScript error reporting solution.
-The plugin will report errors originating from React Native's JavaScript
-engine (e.g. programming errors like "x is undefined"), but might not
-catch errors that originate from the underlying operating system (iOS /
-Android) unless they happen to be transmitted to React Native's global
-error handler.
+Deprecated React Native
+=======================
+
+The deprecated plugin "React Native for Raven.js" is a pure JavaScript
+error reporting solution.  The plugin will report errors originating from
+React Native's JavaScript engine (e.g. programming errors like "x is
+undefined"), but might not catch errors that originate from the underlying
+operating system (iOS / Android) unless they happen to be transmitted to
+React Native's global error handler.
+
+**Do not use this plugin for new code but instead use the new
+:ref:`react-native` client integration instead**.
 
 .. admonition:: Note