Create Renderer README (#21251)

Summary: I've seen quite a few PRs try to change sync'ed files so let's add this warning and hope people read it. Not sure if it's better / possible to put it in the oss folder instead. Pull Request resolved: #21251 Differential Revision: D9993401 Pulled By: hramos fbshipit-source-id: 05d22c7f8da1eba97a83d2b7dbc66d9324695a1b
facebook · Sep 21, 2018 · 3956ee1 · 3956ee1
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diff --git a/Libraries/Renderer/README.md b/Libraries/Renderer/README.md
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+# WARNING
+
+### The code in the `oss` folder is sync'ed from the React repo. Please submit a pull request on https://github.com/facebook/react/tree/master/packages/react-native-renderer if you want to make changes.