add multisig docs + images

Author: PatStiles

docs/0_internal/images/set_aggregator_address_1.png

@@ -0,0 +1,55 @@
+# Propose the Transaction for Setting Aggregator Address using Multisig
+
+If you want to unpause the contracts, you can propose the unpause transaction using the multisig wallet.
+
+## Prerequisites
+
+- You need to have deployed the contracts following the [Deploy Contracts Guide](./2_deploy_contracts.md).
+
+## Propose transaction for UnPause AlignedLayerServiceManager
+
+To propose the set aggregator address transaction you can follow the steps below:
+
+1. Go to [Safe](https://app.safe.global/home)
+
+2. Click on `New transaction` -> `Transaction Builder`
+
+   ![New transaction](./images/set_aggregator_address_1.png)
+
+   ![Transaction Builder](./images/set_aggregator_address_2.png)
+
+3. . Get the `AlignedLayerServiceManager` address from ```contracts/script/output/mainnet/alignedlayer_deployment_output.json``` or ```contracts/script/output/holesky/alignedlayer_deployment_output.json``` or ```contracts/script/output/sepolia/alignedlayer_deployment_output.json```
+
+4. Paste the `AlignedLayerServiceManager` address on `Enter Address or ENS Name`
+
+   ![Enter Address](./images/set_aggregator_address_3.png)
+
+5. As this is a Proxy contract, choose `Use Implementation ABI`
+
+   ![Use Implementation ABI](./images/set_aggregator_address_4.png)
+
+6. In `contract method selector` choose `setAggregator()` and within `_alignedAggregator(address)` enter the ethereum address of the aggregator.
+
+   ![Choose pause](./images/set_aggregator_address_5.png)
+
+7. Click on `+ Add new transaction`
+
+   You should see the new transaction to be executed
+
+8. Click on `Create batch` to create the transaction.
+
+   ![Choose pause](./images/set_aggregator_address_6.png)
+
+9. Simulate the transaction by clicking on `Simulate`
+
+10. If everything is correct, click on `Send batch` to send the transaction.
+   
+   ![Send batch](./images/set_aggregator_address_7.png)
+
+11. Simulate the transaction, and if everything is correct, click on `Sign`.
+
+   ![Send batch](./images/set_aggregator_address_8.png)
+
+> [!NOTE]
+> In the `call` field, you will see `fallback`.
+12. Wait for the transaction to be executed. You can check the transaction status on the `Transactions` tab.