add Deployment.md

scripts/Deployment.md

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+# Deployment process 
+
+The deployment process of Tapio core contracts consists of:
+- 1)  Deployment of the contract `TapETH`.
+- 2)  Deployment of the contract `WtapETH`.
+- 3)  Deployment of the contract `StableAsset`.
+- 4)  Deployment of the contract `WETH`.
+- 5)  Deployment of the contract `StableAssetApplication`.
+
+## Deployment of TapETH
+
+The deployment of TapETH requires:
+  - governance address 
+
+## Deployment of WtapETH
+
+The deployment of WtapETH requires:
+  - TapETH address
+
+## Deployment of StableAsset
+
+The deployment of StableAsset requires:
+  - tokens : array of token pool addresses 
+  - precisions: array of token pool precisions 
+  -  fees :[MINT_FEE, SWAP_FEE, REDEEM_FEE]
+  - TapETH address
+  - A
+  - exchangeRateProvider address 
+  - exchangeRateTokenIndex
+
+## Deployment of WETH
+
+The deployment of WETH doesn't require inputs.
+
+
+## Deployment of StableAssetApplication
+
+The deployment of StableAssetApplication requires:
+  - WETH address 
+
+
+## Setup of Smart Contracts
+
+- Add each stableSwap pool deployed by the contract StableAsset to the contract TapETH:
+
+  TapETH.addPool(stableSwap1.address)
+  TapETH.addPool(stableSwap2.address)
+
+- Add each stableSwap pool deployed by the contract StableAsset to the contract StableAssetApplication:
+
+  StableAssetApplication.updatePool(stableSwap1.address, true)
+  StableAssetApplication.updatePool(stableSwap2.address, true)
+
+
+