Add Prototype Disclaimer

Change-Id: Idb30cc47979d84d99dc62b61b1dc186565d7be1e
diff --git a/README.md b/README.md
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index 0000000..1510fe4
--- /dev/null
+++ b/README.md
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+--------------------------------------------------------------------------
+Disclaimer: This branch contains prototype code which is for demonstrative
+purposes only and to serve as proof of concept. It is designed to allow
+prototyping of new features and any productization paths if taken
+forward would be delivered through the master branch.
+--------------------------------------------------------------------------