Create README.md (#13)

ealtman741 · web-flow · commit 820345c3a6c4 · 2021-05-27T02:51:06.000-04:00
Provide in-context reference to Box version of data
diff --git a/data/credit_card/README.md b/data/credit_card/README.md
@@ -0,0 +1 @@
+This **transactions.tgz** file is also available from Box:  https://ibm.box.com/v/tabformer-data

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	`1`	`+This transactions.tgz file is also available from Box: https://ibm.box.com/v/tabformer-data`