chore(SOLNENG-27): update docs

Author: MnrGreg

README.md

@@ -11,18 +11,15 @@ sequenceDiagram
     box Builder Vault
       participant TSM1 as MPC Wallet <br>(private key share 1)
       participant TSM2 as MPC Wallet <br>(private key share 2)
-      participant TSM3 as MPC Wallet <br>(private key share 3)
     end
 
     StakeClient ->> StakeAPI: get StakeIntent unsigned tx data <br>(amount, withdrawal & recipient address)
-    StakeClient ->> Blockchain: get blockchain inputs for new tx<br>(gas fee, chainID, sender wallet nonce)
+    StakeClient ->> Blockchain: get blockchain inputs (gas, nonce) for new tx<br>(sender wallet)
     StakeClient ->> StakeClient: construct unsigned tx
-    StakeClient ->> TSM1: request signature of unsigned tx
+    StakeClient ->> TSM1: request signature (unsigned tx)
     TSM1 -->> StakeClient: return partial signature
-    StakeClient ->> TSM2: request signature of unsigned tx
+    StakeClient ->> TSM2: request signature (unsigned tx)
     TSM2 -->> StakeClient: return partial signature
-    StakeClient ->> TSM3: request signature of unsigned tx
-    TSM3 -->> StakeClient: return partial signature
     StakeClient ->> StakeClient: combine partial signatures
     StakeClient ->> Blockchain: broadcast signed tx<br>(signed tx, deposit contract)
 ```

main.go

@@ -219,12 +219,13 @@ func main() {
 	ethereumSenderAddress := "0xE8fE1C1058b34d5152f2B23908dD8c65715F2D3A"
 	stakeWithdrawalAddress := "0xE8fE1C1058b34d5152f2B23908dD8c65715F2D3A"
 	stakeFeeRecipientAddress := "0xE8fE1C1058b34d5152f2B23908dD8c65715F2D3A"
+	stakeAmount := "32000000000" // denominated in Gwei
 
-	// Define stake intent request: 1x32ETH
+	// Define stake intent request
 	stakeRequest := &Request{
 		Stakes: []Stake{
 			{
-				Amount:            "32000000000", // denominated in Gwei
+				Amount:            stakeAmount,
 				WithdrawalAddress: stakeWithdrawalAddress,
 				FeeRecipient:      stakeFeeRecipientAddress,
 			},