update readme

README.md

@@ -20,11 +20,15 @@ Note: Users have to approve their collateral aToken to the contract so it can
 At the end of `Unwind.unwind` transaction all the remainder collateral and debt
 token assets are returned back to the user.
 
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 A similar contract and script can also be written for levering up. Maybe something for
 future if I find some personal use for that case. New users can also just use something
 like DefiSaver or InstaDapp DSAs to open/close levered positions. I personally needed
 this script for an existing position on an EOA.
 
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 This repo can serve as a good example of how to integrate and utilize flashloans
 securely with relevant checks on callbacks, forge FFI in scripts, and also generally
 how you can use forge scripts to orchestrate actions from your EOAs too.