add itest/README.md

Author: ZZiigguurraatt

itest/README.md

@@ -0,0 +1,7 @@
+## itest ##
+
+itests are Integration Tests for Lightning Terminal.
+
+For more information see
+- https://github.com/lightningnetwork/lnd/blob/master/itest/README.md for an overview of the itest framework used by all Lightning Labs products.
+- `./.vscode-samples/` for example files for configuring vscode to run itests with the debugger.