Proposal #72: Open devshard escrow creation to community wallet gonka1afj0tz53z56zngs425m83vxl5y2xmwm692hfrn

Adds a community-operated wallet to devshard escrow params.allowed creator addresses, enabling it to create a devshard escrow and operate as an additional self-hosted inference gateway/transfer agent. This is a minimal addition (appends one address) and does not remove or modify any existing operator. Goal: lower the barrier for independent node operators to participate as devshard/transfer-agent providers, improving network decentralization.