add uses disclaimer

Author: JeremyRubin

content/uses/_index.md

@@ -3,7 +3,8 @@ title: "Uses Cases"
 date: 2019-10-18T10:41:12-07:00
 ---
 
-This page is an index of exciting OP_CHECKTEMPLATEVERIFY uses, and pointers on how to design systems using it.
+This page is an index of exciting OP_CHECKTEMPLATEVERIFY uses, and pointers on
+how to design systems using it. It is _lightly_ reviewed and non-exhaustive.
 
 To contribute content, open a pull request on [Github](https://github.com/JeremyRubin/utxos.org).