update readme

README.md

@@ -1,5 +1,7 @@
 # aave-unwind
 
+## Contract
+
 [`Unwind.sol`](./src/Unwind.sol) can be used by users to unwind their levered
 positions by:
 1. Flashloaning the debt/borrowed asset from Balancer/Aave-v3.
@@ -17,3 +19,15 @@ 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.
+
+## Script
+
+[`Unwind.s.sol`](./script/Unwind.s.sol) can be used by users to unwind their positions
+as a series of necessary txs and encoding calldata, etc. It has code for using [OpenOcean](https://openocean.finance)
+and [Odos](https://odos.xyz) aggregators and their APIs for figuring out the
+swap paths for optimal collateral swap outputs. More aggregators can be
+integrated similarly.
+
+```bash
+forge script ./script/Unwind.s.sol --rpc-url ... --private-key ... --broadcast
+```