in a second terminal window:

in a third terminal window:

in a fourth terminal window:

Edit the chainid, your owner addresses, and the number of signatures required:

Deploy again with your frontend address as one of the owners:

Use the faucet wallet to send your multi-sig contract some funds:

To add new owners, use the "Owners" tab:

Create & sign the new transaction:

Give your account some gas at the faucet and execute the transaction

Create a transaction to open a stream to your frontend account:

Sign the transacton with enough owners:

Execute the transction to open the stream:

Click the button any time and it will withdraw: