Extend Add

Set new expiration for the channel and add funds

# Format of the command in the SNET CLI

snet channel extend-add [-h] [--expiration EXPIRATION] [--force]
                        [--amount AMOUNT]
                        [--multipartyescrow-at MULTIPARTYESCROW_AT]
                        [--gas-price GAS_PRICE] [--wallet-index WALLET_INDEX]
                        [--yes] [--quiet | --verbose]
                        CHANNEL_ID

User flow:

• Input the channel id
• Input any optional parameters you would like
• Click the "Extend Add" button